p-Hydroxyphenethyl trans-ferulate has anti-hyperglycemic（yeast α-glucosidase，IC50 19.24 ± 1.73 µmol L-1）, antioxidant, and anti-inflammatory activities. p-Hydroxyphenethyl trans-ferulate shows inhibiting cancer preve

Indole-3-acetaldehyde inhibits Escherichia coli O157:H7 biofilm formation.

4-Hydroxytryptamine creatinine sulfate, a tryptamine derivative, is a neurotransmitter agonist.

NMTCA (NMTPRO) is a sulfur-containing N-nitrosamino acid. NMTCA can be used as an indicator of endogenous nitrosation by gas chromatography-thermalenergyanalysis.

Ascochlorin A is a novel and potent hDHODH inhibitor (KD = 3.29 μM) for treatment of triple-negative breast cancer.

DHODH-IN-18 is a human DHODH inhibitor (IC50 = 0.2 nM).

Indoluidin E selectively inhibits DHODH and suppresses cancer cell growth.

Cathepsin L-IN-2 (Z-Phe-Phe-FMK) is a potent and irreversible cathepsin L and cathepsin B inhibitor.

ABP 25 is an activity-based probe for cathepsin K imaging with excellent potency and selectivity.

GCPII-IN-1 is a glutamate carboxypeptidase II (GCPII, or PSMA) inhibitor scaffold with a Ki of 44.3 nM.

GCPII-IN-1 TFA is a glutamate carboxypeptidase II (GCPII, or PSMA) inhibitor scaffold with a Ki of 44.3 nM.

(E)-Dehydrodiconiferyl alcohol behaves as good hCA IX and hCA XII dual inhibitors. And (E)-Dehydrodiconiferyl alcohol suppresses the NF-κB nuclear translocation in connective tissue of healing area.

β-Secretase Inhibitor I is an extremely potent β-secretase inhibitor with reduced cardiovascular and liver toxicity.

JNJ-67569762 is a tetrahydropyridine-based BACE1 inhibitor targeting the S3 pocket with IC50 of 2.7 nM and shows 71-fold selectivity over BACE2.

β-Secretase Inhibitor III is an extremely selective BACE1 inhibitor (Ki = 0.13 nM).

Plantainoside D shows ACE inhibitory activity with IC50 2.17 mM. And plantainoside D is a promising IKK-β inhibitor.

MeDTC (S-Methyl-N,N-diethylthiocarbamate Sulfone), a Disulfiram metabolite, is a potent, irreversible aldehyde dehydrogenase (ALDH) inhibitor.

BMS-963272 is a potent, selective MGAT2 inhibitor with IC50 of 7.1 nM/18 nM (hMGAT2/mMGAT2) and shows excellent efficacy, safety, and tolerability profile.

Phenylpyropene C (S14-95), a JAK/STAT pathway inhibitor, can inhibit IFN-γ mediated expression of the reporter gene (IC50=5.4~10.8 μM). Phenylpyropene C also is an inhibitor of acyl-CoA, with an IC50 of 16.0 μM.

Isonaringin shows anti-Alzheimer’s activity by inhibiting AChE.

Cyclanoline (chloride) shows cholinesterase inhibitory activity.

Cyclopenin ((±)-Isocyclopenine) is a racemate.

Chikusetsusaponin Ib has anti-Alzheimer's disease activity and is a potent AChE inhibitor.

Millmerranone A shows the acetylcholinesterase inhibitory property.

WNK-IN-11 D3 is an orally active, selective and potent With-No-Lysine (WNK) kinase inhibitor. WNK-IN-11 D3 is effective at regulating cardiovascular homeostasis.

trans-urocanic acid (trans-UCA), a natural epidermal constituent, inhibits human natural killer cell (NK) activity in vitro. trans-urocanic acid is active in regulating an immune function.

TMX-4113 is a degrader of phosphodiesterase 6D (PDE6D) and casein kinase 1α (CK1α). TMX-4113 can be used for the research of cancer.

TMX-4100 is a selective phosphodiesterase 6D (PDE6D) degrader. TMX-4100 shows a high degradation preference for PDE6D with the DC50 values less than 200 nM in MOLT4, Jurkat, and MM.1S cells. TMX-4100 can be used for the research of multiple myeloma.

SSR69071 is a potent, orally active and selective inhibitor of neutrophil elastase. SSR69071 reduces myocardial infarct size following ischemia-reperfusion injury. SSR69071 displays a higher affinity for human elastase (Ki=0.0168 nM) than for rat (Ki=3 nM), mouse (Ki=1.8 nM), and rabbit (Ki= 58 nM) elastases.

Sphinganine 1-phosphate (D-erythro-Dihydrosphingosine 1-phosphate) is a polar sphingolipid metabolite that regulates cell migration, differentiation, survival and complex physiological processes.

ROC-0929 (compound 13a) is a potent and selective inhibitor of secreted phospholipases A2 (sPLA2s) with an IC50 of 80 nM, specially targeting hGX. ROC-0929 inhibits the phosphorylation of ERK1/2 and p-38. Secreted phospholipases A2 (sPLA2s) are a family of disulfide-rich, Ca2+-dependent enzymes that hydrolyze the sn-2 position of glycero-phospholipids to release a fatty acid and a lysophospholipid. ROC-0929 has the potential for researching inflammation related diseases.

PDE4-IN-4 is a dual M3 (pIC50 = 10.2) antagonist-PDE4 (pIC50 = 8.8) inhibitor for the inhaled treatment of pulmonary diseases.

PCSK9-IN-3 is a novel, highly potent, and orally bioavailable next-generation tricyclic peptide PCSK9 inhibitor.

ONO-RS-082 is an inhibitor of phospholipase A (PLA). ONO-RS-082 inhibits PLA2 with the IC50 of 1.0 μM, but does not inhibit PLC even at 100 μM.

MS-PPOH is a potent and selective cytochrome P450 (CYP) epoxygenase inhibitor. MS-PPOH inhibits CYP2C8 and CYP2C9 with IC50s of 15 and 11 µM, respectively.

Mant-GTPγS, a GTP mimetic, is a potent competitive adenylyl cyclase (AC) inhibitor. Mant-GTPγS is a potent YdeH inhibitor.

Lignoceric acid (Tetracosanoic acid) is a 24-carbon saturated (24:0) fatty acid, which is synthesized in the developing brain. Lignoceric acid is also a by-product of lignin production. Lignoceric acid can be used for Zellweger cerebro‐hepato‐renal syndrome and adrenoleukodystrophy research.

LDHA-IN-5 is a novel, potent, dual GO/LDHA inhibitor for primary hyperoxaluria.

JNJ-DGAT2-A is a selective diacylglycerol acyltransferase 2 (DGAT2) inhibitor with an IC50 value of 0.14 μM in human DGAT2-expressing Sf9 insect cell membranes. JNJ-DGAT2-A can be used for the research of triglyceride (TG) synthesis.

FPFT-2216, a “molecular glue” compound, degrades phosphodiesterase 6D (PDE6D), zinc finger transcription factors Ikaros (IKZF1), Aiolos (IKZF3), and casein kinase 1α (CK1α). FPFT-2216 can be used for the research of cancer and inflammatory disease.

DP-1, a degradation product of SDC-TRAP-0063, is a fragment of Ganetespib. Ganetespib is a heat shock protein 90 (HSP90) inhibitor with anti-tumor activity.

Cytostatin is a potent and selective inhibitor of PP2A with promising antitumor activity. Cytostatin belongs to the fostriecin family of natural products.

cPrPMEDAP is an intermediate metabolite of GS-9219. cpr-PMEDAP functions as a prodrug of the guanine nucleotide analog PMEG and has antiproliferative activity. cPrPMEDAP is negatively charged at physiologic pH and has poor permeability into the skin.

AFMK, antioxidant metabolite of Melatonin, attenuates X-ray-induced oxidative damage to DNA, proteins and lipids in mice. AFMK is a poorer scavenger. The pKa of AFMK at physiological pH is 8.7. Antioxidant capacity. AFMK improves the anti-tumor effect of Gemcitabine in PANC-1 cells through the modulation of apoptotic pathway.

15-LOX-1 inhibitor 1 is a potent inhibitor of 15-LOX-1 (15-lipoxygenase-1) with an IC50 value of 0.19 μM. 15-LOX-1 inhibitor 1 protects macrophages from lipopolysaccharide-induced cytotoxicity. 15-LOX-1 inhibitor 1 inhibits NO formation and lipid peroxidation.

1,7-Dimethyluric acid is the metabolite of caffeine.

Fasidotril is a dual inhibitor of neprilysin and angiotensin-converting enzyme (ACE) for the potential treatment of hypertension and congestive heart failure (CHF).

Alacepril (Cetapril) is an orally active angiotensin converting enzyme (ACE) inhibitor with long lasting antihypertensive effect.

ARG1-IN-1 is a human arginase 1 inhibitor with an IC50 of 29 nM.

D-(-)-3-Phosphoglyceric acid (3-Phospho-D-glyceric acid) disodium is an important intermediate in the enzyme-catalysed process of glycolysis. D-(-)-3-Phosphoglyceric acid disodium competitively inhibits yeast enolase.

FXIa-IN-6 is a potent FXIa inhibitor with selectivity against most of the relevant serine proteases (Ki = 0.3 nM).

FXIa-IN-7 is a selective and orally bioavailable factor XIa inhibitor with an IC50 value of 0.4 nM.

Zagociguat is the stimulator of soluble guanylate cyclase. Zagociguat increases nitric oxide (NO) signaling leading to an increase in cyclic guanosine monophosphate production. Zagociguat has the potential for the research of noncentral nervous system (CNS) disorders.

NLG802 is a prodrug of indoximod, an orally active indoleamine 2,3-dioxygenase (IDO) inhibitor.

IDO1-IN-11 is an IDO1 inhibitor with an IC50 value of 0.6 nM.

IDO1-IN-12 is a potent and orally available IDO1 inhibitor.

Safusidenib is a novel IDH1 inhibitor for the treatment of IDH1-mutated tumors.

Mufemilast is a phosphodiesterase 4 (PDE4) inhibitor.

Andolast is an anti-allergic agent for the treatment of bronchial asthma, chronic obstructive pulmonary disease (COPD). Andolast inhibits dose dependently guinea-pig lung cAMP-phosphodiesterase with an IC50 of 50 mM.

Arofylline is a PDE4 inhibitor as a potential treatment for asthma.

ATX inhibitor 7 is a autotaxin inhibitor and shows good oral exposure.

Cudetaxestat (BLD-0409) is a potent and orally active autotaxin (ATX) inhibitor.

PDE2A-IN-1 is a phosphodiesterase 2A (PDE2A) inhibitor with an IC50 value of 1.3 nM.

ONO-8430506 is an orally bioavailable and potent autotaxin (ATX)/ENPP2 inhibitor with the IC90 of 100 nM for ATX activity in mouse plasma.

MJ33 is an active-site-directed, specific, competitive, and reversible phospholipase A2 (PLA2) inhibitor. MJ33 blocks the calcium-independent phospholipase A2 (iPLA2) activity of Prdx6.

(R)-Bromoenol lactone ((R)-BEL) is an irreversible, chiral, mechanism-based inhibitor of calcium-independent phospholipaseγ(iPLA2γ)(/b). (R)-BEL inhibits human recombinant iPLA2γ with an IC50 of approximately 0.6 µM.

CAY10502 is a potent, calcium-dependent cytosolic phospholipase A2 α (cPLA2α) inhibitor with an IC50 of 4.3 nM for isolated enzyme. CAY10502 can be used in the research of retinopathy and inflammatory diseases.

Sterculic acid is a stearoyl-CoA desaturase-1 (SCD1) inhibitor. Sterculic acid specifically inhibits the delta-9 desaturase (Δ9D) activity with an IC50 value of 0.9 μM.

Idraparinux (sodium) is a polymethylated synthetic pentasaccharide known to interact with the antithrombin III and act as anticoagulant.

BAY 1217224 is a neutral, non-prodrug Thrombin inhibitor with good oral pharmacokinetics.

Mito-TEMPO is a mitochondria-targeted antioxidant that possesses superoxide and alkyl radical scavenging properties. Mito-TEMPO helps protect against oxidative damage to the mitochondria.

SIN-1 (chloride) is the active metabolite of molsidomine. SIN-1 (chloride) exhibits potent vasorelaxant effect and inhibition of platelet aggregation. SIN-1 (chloride) decreases myocardial necrosis and reperfusion-induced endothelial dysfunction in models of myocardial ischemia-reperfusion.

MTIC is the active metabolite of Temozolomide (TMZ). MITC has lower bioavailability in the brain compared with TMZ, because the drug’s permeability through biological barriers and tumor cell membranes affects bioavailability. MITC exhibits low affinity to biological membrane.

4β-hydroxy Cholesterol is a major oxysterol cholesterol metabolite and a precursor in the synthesis of bile acids that is found in human circulation.

Dihomo-γ-Linolenic acid is an n-6 polyunsaturated fatty acid that is mainly metabolized to an anti-inflammatory eicosanoid, prostaglandin (PG) E1, via the cyclooxygenase (COX) pathway. Anti-inflammatory and anti-proliferative effects.

Protectin D1 (also known as neuroprotectin D1 when produced in neuronal tissues) is a DHA-derived dihydroxy fatty acid that exhibits potent protective and anti-inflammatory activities.

12-OxoETE induces a rapid, dose dependent increase of cytoplasmic free calcium via leukotriene B4 receptor or a common activation sequence.

Pregnanediol 3-glucuronide is the major terminal metabolite of progesterone, playing an important role in physiological processes, such as the female menstrual cycle, pregnancy (supports gestation), embryogenesis and maternal immune response of humans and other species.

p-Cresyl Sulfate, a major uremic toxin derived from the metabolites of tyrosine and phenylalanine through liver, existed in the blood of patients with chronic kidney disease (CKD).

ω-Muricholic acid (ω-MCA) is a murine-specific secondary bile acid.

C20 Ceramide is a natural 20:0 ceramide that is abundant in the brain.

Delta-12-Prostaglandin J2 (Δ12-PGJ2) is a cyclopentenone prostaglandin (PG) with anti-proliferative effect on various tumor cell growth. Delta-12-Prostaglandin J2, a naturally occurring dehydration product of prostaglandin D2, is able to induce apoptosis in HeLa cells via caspase activation.

3-Oxo-7-hydroxychol-4-enoic acid is an endogenous metabolite. 3-Oxo-7-hydroxychol-4-enoic acid may be an important indicator of a poor prognosis in hepatobiliary disease.

4-Prenyloxyresveratrol, an oxyresveratrol derivative, shows potent tyrosinase inhibitory activity with an IC50 of 0.90 μM.

Paltimatrectinib (compound I-147) is a potent tyrosine kinase inhibitor with an IC50 of <10 nM for tropomyosin kinases A (TrkA). Paltimatrectinib has the potential for cancer and inflammatory diseases.

PCSK9-IN-1 is a novel and highly potent cyclic peptide PCSK9 inhibitor with a Ki value of 1.46 nM.

APC-6860 is a trypsin-like serine proteases inhibitor with ki values of 0.21, 0.44, 1.5, 16.8, 20, 30 μM for uPA, trypsin, tryptase, tPA, thrombin and factor Xa, respectively. APC-6860 has a selectivity ratio for tPA versus uPA of 80. APC-6860 has ki values of 0.1, 0.082 μM for human and murine urokinases, respectively. APC-6860 can be used for the research of cancer.

BACE1-IN-6 is a BACE1 inhibitor with an IC50 value of 1.5 nM.

Ftase inhibitor III is an anion-dependent Farnesyltransferase inhibitor from a phenotypic screen.

SHP2 protein degrader-1 is a potent allosteric inhibitor of SHP2. SHP2 protein degrader-1 induces SHP2 degradation and cell apoptosis. SHP2 protein degrader-1 has the potential for the treatment of SHP2 related diseases.

gp91ds-tat, a peptide inhibitor for NADPH oxidase assembly, is composed of gp91phox sequence linked to the human immunodeficiency virus-tat peptide. The tat sequence facilitates the entry of this peptide into cells.

Upamostat (WX-671), a novel serine protease urokinase (uPA) inhibitor by inhibiting the urokinase-type plasminogen activator (uPA) system.

L-Tryptophan-13C11,15N2 (Tryptophan-13C11,15N2) is the 13C- and 15N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

L-Tryptophan-13C11 (Tryptophan-13C11) is the 13C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

Palmitoleic acid-13C16 is the 13C labeled Palmitoleic acid. Palmitoleic acid, a composition of fatty acid, is implicated in the prevention of death from cerebrovascular disorders in SHRSP rats.

Linoleic acid-13C18 is the 13C labeled Linoleic acid. Linoleic acid is a common polyunsaturated (PUFA) found in plant-based oils, nuts and seeds. Linoleic acid is a part of membrane phospholipids, and functions as a structural component to maintain a certain level of membrane fluidity of the transdermal water barrier of the epidermis. Linoleic acid induces red blood cells and hemoglobin damage via oxidative mechanism .

Glycine-13C2,15N is the 13C- and 15N-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-13C2 is the 13C-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

β-Alanine-13C3,15N (2-Carboxyethylamine-13C3,15N) is the 13C- and 15N-labeled β-Alanine. β-Alanine is a non-essential amino acid that is shown to be metabolized into carnosine, which functions as an intracellular buffer.

L-Alanine-13C3,15N (L-2-Aminopropionic acid-13C3,15N) is the 13C- and 15N-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

L-Cysteine 13C3,15N is the 13C- and 15N-labeled L-Cysteine. L-Cysteine is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans.

L-Serine-13C3,15N ((-)-Serine-13C3,15N) is the 13C- and 15N-labeled L-Serine. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

L-Alanine-13C3 (L-2-Aminopropionic acid-13C3) is the 13C-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

L-Cysteine-13C3 is the 13C-labeled L-Cysteine. L-Cysteine is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans.

L-Aspartic acid-13C4 is the 13C-labeled L-Aspartic acid. L-Aspartic acid is is an amino acid, shown to be a suitable prodrug for colon-specific drug deliverly.

L-Threonine-13C4,15N is the 13C- and 15N-labeled L-Threonine. L-Threonine is a natural amino acid, can be produced by microbial fermentation, and is used in food, medicine, or feed.

L-Valine-13C5,15N is the 13C- and 15N-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid.

L-Methionine-13C5,15N is the 13C- and 15N-labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

L-Valine-13C5 is the 13C-labeled L-Valine. L-Valine is one of 20 proteinogenic amino acids. L-Valine is an essential amino acid.

L-Methionine-13C5 is the 13C-labeled L-Methionine. L-Methionine is the L-isomer of Methionine, an essential amino acid for human development. Methionine acts as a hepatoprotectant.

L-Ornithine-1,2,3,4,5-13C5 hydrochloride is the 13C-labeled L-Ornithine hydrochloride. L-Ornithine hydrochloride is a free amino acid that plays a central role in the urea cycle and is also important for the disposal of excess nitrogen.

Itaconic acid-13C5 is the 13C labeled Itaconic acid. Itaconic acid, a precursor of polymers, chemicals, and fuels, can be synthesized by many fungi. Itaconic acid also is a macrophage-specific metabolite. Itaconic acid mediates crosstalk between macrophage metabolism and peritoneal tumors.

L-Proline-13C5,1-15N is the 13C- and 15N-labeled L-Proline. L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins.

L-Glutamic acid-13C5,15N is the 13C- and 15N-labeled L-Glutamic acid. L-Glutamic acid acts as an excitatory transmitter and an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA). L-Glutamic acid shows a direct activating effect on the release of DA from dopaminergic terminals.

L-Glutamic acid-13C5 is the 13C-labeled L-Glutamic acid. L-Glutamic acid acts as an excitatory transmitter and an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA). L-Glutamic acid shows a direct activating effect on the release of DA from dopaminergic terminals.

L-Histidine-13C6,15N3 (H-His-OH-13C6,15N3) hydrochloride hydrate is the 13C- and 15N-labeled L-Histidine hydrochloride hydrate. L-Histidine hydrochloride hydrate (H-His-OH.HCl.H2O) is an endogenous metabolite.

L-Histidine-13C6 (H-His-OH-13C6) hydrochloride hydrate is the 13C-labeled L-Histidine hydrochloride hydrate. L-Histidine hydrochloride hydrate (H-His-OH.HCl.H2O) is an endogenous metabolite.

L-Lysine-13C6 dihydrochloride is the 13C-labeled L-Lysine dihydrochloride. L-lysine dihydrochloride is an essential amino acid with important roles in connective tissues and carnitine synthesis, energy production, growth in children, and maintenance of immune functions.

L-Homoarginine-13C7,15N4 hydrochloride is the 13C- and 15N-labeled H-HomoArg-OH.HCl. H-HomoArg-OH.HCl is an endogenous metabolite.

L-Tyrosine-13C9 is the 13C-labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.

L-Tryptophan-13C (Tryptophan-13C) is the 13C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

L-Tryptophan-1-13C (Tryptophan-1-13C) is the 13C-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

Orotidine 5'-monophosphate trisodium is a pyrimidine nucleotide. Orotidine 5'-monophosphate trisodium is synthesized via the de novo synthesis pathway for DNA synthesis in a large number of microorganisms including M. tuberculosis, S. cerevisiae, S. typhimurium and P. falciparum to name a few. The synthesis of orotidine 5'-monophosphate trisodium uses phosphoribosyl pyrophosphate (PRPP) and orotic acid (OA) as the substrates catalyzed by orotate phosphoribosyltransferase (OPRT).

Myristic acid-13C3 is the 13C labeled Myristic acid. Myristic acid is a saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat and coconut, palm, and nutmeg oils.

Lauric acid-13C is the 13C labeled Lauric acid. Lauric acid is a middle chain-free fatty acid with strong bactericidal properties. The EC50s for P. acnes, S.aureus, S. epidermidis, are 2, 6, 4 μg/mL, respectively.

Menadiol (Dihydrovitamin K3), a menaquinol analogue, is an electron donor for reversed oxidative phosphorylation in submitochondrial particles.

L-Tryptophan-15N2 (Tryptophan-15N2) is the 15N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

L-Tryptophan-15N (Tryptophan-15N) is the 15N-labeled L-Tryptophan. L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3.

Piliformic acid is a fungal metabolite found in the endophytic fungus Xylariasp sp.(No. 2508) from mangrove trees from the coast of the South China Sea.

Paecilomide is a pyridone alkaloid and acetylcholinesterase inhibitor.

Carbonic anhydrase inhibitor 3 (compound 7c) is a carbonic anhydrase II inhibitor. Carbonic anhydrase inhibitor 3 reduces the intraocular pressure in glaucomatous rabbits.

Digalacturonic acid is a metabolite of pectin or pectic acid. Digalacturonic acid can be used for the co-crystallization of enzymes such as proteinase K.

Neohydroxyaspergillic acid, an antibiotic, is active against some bacteriophages.

Valinotricin is a fungal metabolite.

Myristic acid-13C the 13C is labeled Myristic acid. Myristic acid is a saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat and coconut, palm, and nutmeg oils.

L-Alanine-13C2 (L-2-Aminopropionic acid-13C2) is the 13C-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

Glycine-1-13C,15N is the 13C- and 15N-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-2-13C,15N is the 13C- and 15N-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-1-13C is the 13C-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Glycine-13C is the 13C-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.

Epsilon-(gamma-glutamyl)-lysine (H-Glu(H-Lys-OH)-OH) TFA is an N(6)-acyl-L-lysine derivative. The enzyme tissue transglutaminase (tTg) helps the formation of epsilon-(gamma-glutamyl)lysine bonds between ECM components in some disease, such as non-diabetic kidney, glaucoma filtration.

Resveratrol-3-O-sulfate (sodium) is the metabolite of Resveratrol.

Ticlopidine (PCR 5332), an antithrombotic prodrug, acts as an allosteric, noncompetitive inhibitor of CD39 with the IC50 of 81.7 µM. Ticlopidine blocks several NTPDase isoenzymes with IC50s of 170 µM and 149 µM for NTPDase2 and NTPDase3, respectively. Ticlopidine is an inhibitor of CYP2C19 human liver cytochrome. Ticlopidine inhibits CYP2C9 and CYP3A4 with IC50s of 26.0 and 32.3 μM, respectively.

Aculene D, a fungal metabolite, shows quorum sensing (QS) inhibitory activity against Chromobacterium violaceum CV026, and could significantly reduce violacein production in N-hexanoyl-l-homoserine lactone (C6-HSL) induced C. violaceum CV026 cultures at sub-inhibitory concentrations.

2-Hydroxyemodin is an active metabolite of emodin in the hepatic microsomes. Emodin is an anthraquinone present in fungal metabolites and constituent of rhubarb. 2-Hydroxyemodin proves to be mutagenic to Salmonella typhimurium TA1537 in the absence of activation system.

5-(3-hydroxyphenyl)-5-phenylhydantoin, is a metabolite of anti-seizure agent Phenytoin.

Carbonic anhydrase inhibitor 3 (compound 11g) is a carbonic anhydrase II inhibitor. Carbonic anhydrase inhibitor 3 reduces the intraocular pressure in glaucomatous rabbits.

UDP-glucosamine (UDP-GlcNAc) disodium is a substrate for O-GlcNAc transferase, which catalyzes the attachment of O-GlcNAc to proteins. O-GlcNAcase catalyzes the removal of O-GlcNAc from proteins. UDP-glucosamine (UDP-GlcNAc) disodium is the end product of the hexosamine biosynthesis pathway, which is regulated primarily by glucose-6-phosphate-Glutamine:fructose-6-phosphate amidotransferase (GFAT).

(S)-Bromoenol lactone ((S)-BEL) is an irreversible, chiral, mechanism-based inhibitor of calcium-independent phospholipase A2β (iPLA2β) that inhibits the vasopressin-induced release of arachidonate from cultured rat aortic smooth muscle (A10) cells with an IC50 of 2 µM.

IDO1/2-IN-1 (compound 4t) is the first potent IDO1/IDO2 dual inhibitor with IC50s of 28 nM and 144 nM for IDO1 and IDO2, respectively. IDO1/2-IN-1 exhibits antitumor activies. Orally active.

Linoleic acid-13C1 is the 13C labeled Linoleic acid. Linoleic acid is a common polyunsaturated (PUFA) found in plant-based oils, nuts and seeds. Linoleic acid is a part of membrane phospholipids, and functions as a structural component to maintain a certain level of membrane fluidity of the transdermal water barrier of the epidermis. Linoleic acid induces red blood cells and hemoglobin damage via oxidative mechanism .

Stearic acid-1-13C is the 13C labeled Stearic acid. Stearic acid is a long chain dietary saturated fatty acid which exists in many animal and vegetable fats and oils.

Enpp-1-IN-9 is a potent inhibitor of ectonucleotide pyrophosphatase-phosphodiesterase 1 (enpp-1). The ENPP 1 has broad specificity and can cleave a variety of substrates, including phosphodiester bonds of nucleotides and nucleotide sugars and pyrophosphate bonds nucleotides and nucleotide sugars. Enpp-1-IN-9 has the potential for the research of cancer and infectious diseases (extracted from patent WO2021203772A1, compound 51).

Enpp-1-IN-5 is a potent inhibitor of ectonucleotide pyrophosphatase-phosphodiesterase 1 (enpp-1). The ENPP 1 has broad specificity and can cleave a variety of substrates, including phosphodiester bonds of nucleotides and nucleotide sugars and pyrophosphate bonds nucleotides and nucleotide sugars. Enpp-1-IN-5 has the potential for the research of cancer and infectious diseases (extracted from patent WO2019046778A1/WO2021203772A1, compound 1).

Aspericin C is a pyran derivative found in the marine-derived fungus Rhizopus sp. 2-PDA-61. Aspericin C shows cytotoxic activities against P388, A549, HL-60, and BEL-7420 cell lines (IC50=14.6, 7.1, 61.4, and 24.2 μM, respectively).

Dibefurin is a fungal metabolite that acts as an inhibitor of calcineurin phosphatase.

Enpp-1-IN-7 is a potent inhibitor of ectonucleotide pyrophosphatase-phosphodiesterase 1 (enpp-1). The ENPP 1 has broad specificity and can cleave a variety of substrates, including phosphodiester bonds of nucleotides and nucleotide sugars and pyrophosphate bonds nucleotides and nucleotide sugars. Enpp-1-IN-7 has the potential for the research of cancer and infectious diseases (extracted from patent WO2021203772A1, compound 51).

Nordoxepin hydrochloride is the major metabolite of Doxepin. Doxepin is a tricyclic antidepressant that is widely prescribed for the treatment of mild depression.

Rostratin B, a cytotoxic disulfide, shows in vitro cytotoxicity against human colon carcinoma (HCT-116) with IC50 of 1.9 μg/mL.

N-Desalkyludenafil is a metabolite of Udenafil. Udenafil is a PDE5 inhibitor used for the research of the erectile dysfunction.

Rostratin A is a cytotoxic disulfide found in the marine-derived fungus Exserohilum rostratum. Rostratin A shows in vitro cytotoxicity against human colon carcinoma (HCT-116) with an IC50 of 8.5 μg/mL.

Penicitide A is a marine secondary metabolite. Penicitide A shows moderate cytotoxicity against pathogen A. brassicae and the human hepatocellular liver carcinoma (HepG2) cell line.

PTP1B-IN-15 is a potent and selective inhibitor of protein tyrosine phosphatase 1B (PTP1B). PTP1B-IN-15 has the potential for the research of type II diabetes and obesity.

Enpp-1-IN-4 is a potent inhibitor of ectonucleotide pyrophosphatase-phosphodiesterase 1 (enpp-1). Enpp-1-IN-4 has the potential for the research of cancer diseases (extracted from patent WO2019177971A1, compound 1).

DSM705 hydrochloride is a pyrrole-based Dihydroorotate Dehydrogenase (DHODH) inhibitor. DSM705 hydrochloride exhibits nanomolar potency against Plasmodium DHODH and Plasmodium parasites, with no inhibition of mammalian DHODHs. DSM705 hydrochloride is a potent antimalarial compound.

Aculene A is a unique type of norsesquiterpene from Aspergillus aculeatus.

Enpp-1-IN-8 is a potent inhibitor of ectonucleotide pyrophosphatase-phosphodiesterase 1 (enpp-1). The ENPP 1 has broad specificity and can cleave a variety of substrates, including phosphodiester bonds of nucleotides and nucleotide sugars and pyrophosphate bonds nucleotides and nucleotide sugars. Enpp-1-IN-8 has the potential for the research of cancer and infectious diseases (extracted from patent WO2021203772A1, compound 51).

EB-0150 is a potent inhibitor of ER α-glucosidases (α-Glu) Iand II with IC50s of 0.73 and 0.0337 μM, respectively. EB-0150 is a N-substituted derivative of valiolamine with broad-spectrum antiviral. EB-0150 has the potential for the reseach of broad-spectrum agent against the existing and emerging viruses.

Rostratin C, a cytotoxic disulfide, shows in vitro cytotoxicity against human colon carcinoma (HCT-116) with IC50 value of 0.76μg /mL.

GSK-2793660 is an orally active and irreversible inhibitor of Cathepsin C (CTSC). GSK-2793660 can be used for the research of bronchiectasis.

L-Aspartic acid-1,4-13C2,15N is the 13C- and 15N-labeled L-Aspartic acid. L-Aspartic acid is is an amino acid, shown to be a suitable prodrug for colon-specific drug deliverly.

L-Aspartic acid-1,4-13C2 is the 13C-labeled L-Aspartic acid. L-Aspartic acid is is an amino acid, shown to be a suitable prodrug for colon-specific drug deliverly.

L-Alanine-1-13C,15N (L-2-Aminopropionic acid-1-13C,15N) is the 13C- and 15N-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

L-Serine1-13C,15N ((-)-Serine-13C,15N) is the 13C- and 15N-labeled L-Serine. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

DL-Alanine-1-13C is the 13C-labeled DL-Alanine. DL-alanine, an amino acid, is the racemic compound of L- and D-alanine. DL-alanine is employed both as a reducing and a capping agent, used with silver nitrate aqueous solutions for the production of nanoparticles. DL-alanine can be used for the research of transition metals chelation, such as Cu(II), Zn(II), Cd(11). DL-alanine, a sweetener, is classed together with glycine, and sodium saccharin. DL-alanine plays a key role in the glucose-alanine cycle between tissues and liver.

DL-Alanine-3-13C is the 13C-labeled DL-Alanine. DL-alanine, an amino acid, is the racemic compound of L- and D-alanine. DL-alanine is employed both as a reducing and a capping agent, used with silver nitrate aqueous solutions for the production of nanoparticles. DL-alanine can be used for the research of transition metals chelation, such as Cu(II), Zn(II), Cd(11). DL-alanine, a sweetener, is classed together with glycine, and sodium saccharin. DL-alanine plays a key role in the glucose-alanine cycle between tissues and liver.

L-Alanine-2-13C (L-2-Aminopropionic acid-2-13C) is the 13C-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

L-Alanine-3-13C (L-2-Aminopropionic acid-3-13C) is the 13C-labeled L-Alanine. L-Alanine is a non-essential amino acid, involved in sugar and acid metabolism, increases immunity, and provides energy for muscle tissue, brain, and central nervous system.

L-Cysteine-3-13C is the 13C-labeled L-Cysteine. L-Cysteine is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans.

L-Cysteine-1-13C is the 13C-labeled L-Cysteine. L-Cysteine is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans.

L-Serine-2-13C ((-)-Serine-2-13C) is the 13C-labeled L-Serine. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

L-Serine-13C ((-)-Serine-13C) is the 13C-labeled L-Serine. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.

hDHODH-IN-8 is a potent inhibitor of human dihydroorotate dehydrogenase (hDHODH) with an IC50 of 16 nM. hDHODH-IN-8 has potent antiproliferative activity and excellent aqueous solubility. hDHODH-IN-8 has the potential for the research of tumor disease, especially lymphoma.

ME-143 is a second-generation tumor-specific inhibitor of NADH oxidase. ME-143 inhibits the WNT/β-catenin pathway in colorectal cancer cells. ME-143 has broadly active against cancers in vitro and in vivo.

1-Methoxyphaseollidin, a flavonoid compound, is a lysoPAF acetyltransferase inhibitor, with an IC50 of 48 μM. 1-Methoxyphaseollidin exhibits anti-H.pylori activity against the CLAR and AMOX-resistant strain as well as four CLAR (AMOX)-sensitive strains.

MAO A/HDAC-IN-1 is a dual inhibitor of monoamine oxidase A (MAO A) and HDAC. MAO A/HDAC-IN-1 can be used for glioma research.

NADP sodium hydrate, a β-Nicotinamide adenine dinucleotide phosphate sodium salt, is a redox cofactor. NADP sodium hydrate is a key cofactor for electron transfer in the metabolism, being alternately oxidized (NADP+) and reduced (NADPH).

21-Deoxycortisol is an endogenous metabolite. 21-Deoxycortisol is a sign of congenital adrenal hyperplasia.

EB-0156 is a potent inhibitor of ER α-glucosidases (α-Glu) Iand II with IC50s of 0.0479 and less than 0.001 μM, respectively. EB-0156 is a N-substituted derivative of valiolamine with broad-spectrum antiviral. EB-0156 has the potential for the reseach of broad-spectrum agent against the existing and emerging viruses.

Mycestericin G is a sphingosine-like fungal metabolite that exhibits immunosuppressive activity.

Fellutanine A, a diketopiperazine alkaloid, is a fungal metabolite from cultures of Penicillium fellutanum.

Enpp-1-IN-6 is a potent inhibitor of ectonucleotide pyrophosphatase-phosphodiesterase 1 (enpp-1). The ENPP 1 has broad specificity and can cleave a variety of substrates, including phosphodiester bonds of nucleotides and nucleotide sugars and pyrophosphate bonds nucleotides and nucleotide sugars. Enpp-1-IN-6 has the potential for the research of cancer and infectious diseases (extracted from patent WO2021203772A1, compound 51).

Protectin D1, neuroprotectin D1 when generated by neural cells, is a member of a new family of bioactive products generated from docosahexaenoic acid. Protectin D1 is also a specialized pro-resolving mediator with potent pro-resolving and anti-inflammatory effects in vivo in several human disease models.

Isokotanin B is a metabolite of bicoumarin isolated from the sclerotia of Aspergillus alliaceus. Isokotanin B shows activity against the corn earworm Helicoverpa zea and the dried fruit bettle Carpophilus hemipterus.

SGK1-IN-4 (compound 17a) is a highly selective, orally active SGK1 inhibitor. SGK1-IN-4 can be used for osteoarthritis research.

Dual AChE-MAO B-IN-1 (compound 15) is an orally bioavailable CNS-permeant potent inhibitor of both human AChE (IC50=550 nM) and MAO B (IC50=8.2 nM). Dual AChE-MAO B-IN-1 behaves as a safe and metabolically stable neuroprotective agent, devoid of cytochrome liability.

CFM 1571 hydrochloride is the stimulator of the nitric oxide receptor, soluble guanylate cyclase (sGC) with an EC50 and IC50 of 5.49 μM and 2.84 μM, respectively. Soluble guanylate cyclase (sGC) is a key signal-transduction enzyme activated by nitric oxide (NO). CFM 1571 (hydrochloride) (compound 32) has the potential for the research of cardiovascular and other diseases.

EB-0176 is a potent inhibitor of ER α-glucosidases (α-Glu) Iand II with IC50s of 0.6439 and 0.0011 μM, respectively. EB-0176 is a N-substituted derivative of valiolamine with broad-spectrum antiviral. EB-0176 has the potential for the reseach of broad-spectrum agent against the existing and emerging viruses.

GSK2647544 is an orally available, selective inhibitor of Lp-PLA2. Lipoprotein-associated phospholipase (Lp-PLA2) is a calcium-independent phospholipase A2 with proinflammatory activities that is primarily secreted by monocyte-derived macrophages.

Hcyb1 is a highly selective PDE2 inhibitor. Hcyb1 has a highly selective inhibition of PDE2A (IC50=0.57 μM) and over 250-fold selectivity against other recombinant PDE family members. Hcyb1 produces neuroprotective and antidepressant‐like effects most likely mediated by cAMP/cGMP-CREB-BDNF signaling.