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-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-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-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-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-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.

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.

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.

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.

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 .

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.

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.

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.

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

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.

APX-115 (Ewha 18278) is a first-in-class, orally active, pan-NADPH oxidase (Nox) inhibitor with Ki of 1.08, 0.57, 0.63 nM for Nox1, Nox2, and Nox4, respectively.

YTX-465 (YTX465) is a specific small molecule that rescues yeast from a-Syn cytotoxicity with EC50 of 15 nM, via inhibiting Ole1, the yeast homolog of human stearoyl-CoA desaturase (SCD).

SCD1 inhibitor-3 is a safe, potent and orally active SCD1 inhibitor. SCD1 inhibitor-3 can be used for the research of metabolic diseases such as obesity, type II diabetes and dyslipidemia, as well as skin diseases, acne and cancer.

GSK484 is a reversible inhibitor of PAD4 (IC50 = 50 nM) that binds to the low-calcium form of the enzyme.

MMP-9-IN-1 is a specific matrix metalloproteinase-9 (MMP-9) inhibitor, which selectively target the hemopexin (PEX) domain of MMP-9, but not other MMPs.

DS-1001b is a mutant IDH-1 (Isocitrate Dehydrogenase-1) inhibitor extracted from patent WO2016052697A1, Example 168, and has antitumor activity.

TAPI-2 inhibits ADAM8, 10, 12, and TACE with Ki values of 10, 3, 100, and 0.12 µM, respectively.

PF-04447943 is a brain-permeable phosphodiesterase (PDE) inhibitor that is selective for PDE9A (IC50 = 12 nM) over other PDEs (IC50s = >940 nM) in enzymatic assays of second messenger hydrolysis.

Benzbromarone is a highly effective and well tolerated non-competitive inhibitor of xanthine oxidase, used as an uricosuric agent, used in the treatment of gout.

BI 409306 is an inhibitor of phosphodisterase 9A（PDE9A）.

DHODH-IN-11 (Compound 14b) is a Leflunomide derivative and a weak dihydroorotate dehydrogenase (DHODH) inhibitor with a pKa of 5.03[1].

AZD-7986(Brensocatib) is a highly potent, reversible, and selective DPP1 inhibitor with enzyme and cell pIC50 of 8.4.

BIA 10-2474 is an inhibitor of fatty acid amide hydrolase (FAAH) with IC50 values of 50 to 70mg/kg in various rat brain regions.

ABX-1431 (ABX1431) is a highly potent, selective, orally available, CNS-penetrant monoacylglycerol lipase (MGLL) with IC50 of 14 nM (hMGLL).

Acotiamide acts as an acetylcholinesterase inhibitor