N1,N8-Diacetylspermidine is a polyamines in the human urine. N1,N8-Diacetylspermidine is useful as prognostic indicators after treatment and during follow-up examination of cancer patients.

D-methionine sulfoxide is the D-isomer of Methionine sulfoxide. Methionine sulfoxide is an oxidation product of methionine. Methionine is the limiting amino acid in milk or leguminous proteins , which is easily oxidized during the course of storage or processing.

cis-9,10-Epoxystearic acid (cis-9,10-Epoxyoctadecanoic acid) is an endogenous constituent in human blood and urine. cis-9,10-Epoxystearic acid (cis-9,10-Epoxyoctadecanoic acid) can be produced from oleic acid by enzymic and non-enzymic epoxidation.

DHODH-IN-5 is a potent human dihydroorotate dehydrogenase (DHODH) inhibitor, with a pIC50 of 7.8 for human recombinant DHODH. DHODH-IN-5 inhibits measles virus replication, with a pMIC50 of 8.8.

Lobeline sulfate (α-Lobeline sulfate; L-Lobeline sulfate) is a nonstimulant medication that can alter dopamine uptake in brain. Lobeline sulfate (α-Lobeline sulfate; L-Lobeline sulfate) inhibits nicotine-induced hyperactivity and is effective in smoking cessation.

FGTI-2734 mesylate is a RAS C-terminal mimetic dual farnesyl transferase (FT) and geranylgeranyl transferase-1 (GGT) inhibitor with IC50s of 250 nM and 520 nM for FT and GGT, respectively. FGTI-2734 mesylate can prevent membrane localization of KRAS, hence solving KRAS resistance problem and thwarting mutant KRAS patient-derived pancreatic tumors.

Fulvene-5 is a potent NADPH oxidase 4 (NOX4) inhibitor with antioxidant properties. Fulvene-5 is a reactive oxygen species (ROS) modifying agent and a potent radioprotector. Fulvene-5 has antitumor activity.

SAICAR is an intermediate of de novo purine nucleotide biosynthesis, activates pyruvate kinase isoform M2 (PKM2) in an isozyme-selective manner, with an EC50 of 0.3 mM. SAICAR stimulates PKM2 and promotes cancer cell survival in glucose-limited conditions.

Ganoderic acid Y is a α-glucosidase inhibitor with an IC50 of 170 μM for yeast α-glucosidase. Ganoderic acid Y inhibits enterovirus 71 (EV71) replication through blocking EV71 uncoating.

Pitavastatin lactone is a major metabolite of Pitavastatin in humans. Pitavastatin is a potent competitive inhibitor of HMG-CoA reductase little metabolized in hepatic microsomes.

Resolvin D1 (RvD1), an endogenous pro-resolving mediator of inflammation, is derived from omega-3 docosahexaenoic acid during the resolution phase of acute inflammation. Resolvin D1 blocks proinflammatory neutrophil migration by regulating actin polymerization, reduces TNF-α–mediated inflammation in macrophages, and enhances phagocytosis of apoptotic cells by macrophages.

Pentacosanoic acid is a 25-carbon long-chain saturated fatty acid. Pentacosanoic is a conjugate acid of a pentacosanoate.

Hydroxy bosentan (Ro 48-5033) is a primary metabolite of Bosentan (BOS) metabolized by the cytochrome P450 system in the liver. Ro 48-5033 assists BOS pharmacologically, retaining 10%-20% activities.

Simvastatin ammonium is an active metabolite of simvastatin lactone mediated by CYP3A4/5 in the intestinal wall and liver (pKa=5.5). Simvastatin ammonium reduces indoxyl sulfate-mediated reactive oxygen species and modulates OATP3A1 expression in cardiomyocytes and HEK293 cells transfected with the OATP3A1 gene.

K777 is a potent, orally active and irreversible cysteine protease inhibitor. K777 is also a potent CYP3A4 inhibitor with an IC50 of 60 nM and a selective CCR4 antagonist featuring the potent chemotaxis inhibition. K777 irreversibly inhibits Cruzain, the major cysteine protease of Trypansoma cruzi, and cathepsins B and L. K777 is a broad-spectrum antiviral by targeting cathepsin-mediated cell entry. K777 inhibits SARS-CoV and EBOV pseudovirus entry with IC50 values of 0.68 nM and 0.87 nM, respectively.

FTI-2148 is a RAS C-terminal mimetic dual farnesyl transferase (FT-1) and geranylgeranyl transferase-1 (GGT-1) inhibitor with IC50s of 1.4 nM and 1.7 μM for FT-1 and GGT-1, respectively.

Evogliptin tartrate is a potent, orally bioavailable and selective dipeptidyl peptidase-4 (DPP-4) inhibitor, with antidiabetic activity. Evogliptin tartrate has potential for anti-atherosclerosis therapy that targets arterial inflammation.

Pyripyropene A is a potent and selective sterol O-acyltransferase 2 (SOAT2)/acyl-coenzyme A:cholesterol acyltransferase 2 (ACAT2) inhibitor, with an IC50 of 0.07 µM. Pyripyropene A attenuates hypercholesterolemia and atherosclerosis in vivo.

(±)20-HDHA ((±)20-HDoHE) is a racemic mixture and is an autoxidation product of Docosahexaenoic acid (DHA). (±)20-HDHA is also formed by peroxidation process in human platelets and rat brain homogenate.

1G244 is a potent DPP8/9 inhibitor with IC50s of 12 nM and 84 nM, respectively. 1G244 does not inhibit DPPIV and DPPII. 1G244 induces apoptosis in multiple myeloma cells and has anti-myeloma effects.

11-Beta-hydroxyandrostenedione (4-Androsten-11β-ol-3,17-dione) is a steroid mainly found in the the adrenal origin (11β-hydroxylase is present in adrenal tissue, but absent in ovarian tissue). 11-Beta-hydroxyandrostenedione is a 11β-hydroxysteroid dehydrogenase (11βHSD) isozymes inhibitor. As 4-androstenedione increases, measuring plasma 11-Beta-hydroxyandrostenedione can distinguish the adrenal or ovarian origin of hyperandrogenism.

Mutant IDH1-IN-4 (compound 434) is an inhibitor of mutant Isocitrate dehydrogenase 1 (IDH 1), with IC50 values of ≤ 0.5 μM for mutant IDH1 in R132H, HT1080 and U87R132H cells.

PXS-5153A monohydrochloride is a potent, selective, orally active and fast-acting lysyl oxidase like 2/3 enzymatic (LOXL2/LOXL3) inhibitor, with an IC50 of <40 nM for LOXL2 across all mammalian species and an IC50 of 63 nM for human LOXL3. PXS-5153A monohydrochloride could reduce crosslinks and ameliorates fibrosis.

PF-00356231 hydrochloride is a specific, non-peptidic, non-zinc chelating ligand and inhibitor of matrix metalloproteinase MMP-12 (IC50=1.4 μM). PF-00356231 hydrochloride binds to MMP-12 and forms PF-00356231/MMP-12 complex. PF-00356231 hydrochloride shows potency against MMP-13, MMP-8, MMP-9, MMP-3 with IC50s of 0.00065, 1.7, 0.98, 0.39 μM, respectively.

Resolvin E1 (RvE1), a potent endogenous pro-resolving mediator of inflammation, is derived from omega-3 fatty acid eicosapentaenoic acid (EPA). Resolvin E1 is endogenously biosynthesized from EPA in the presence of Aspirin during the spontaneous resolution phase of acute inflammation, where specific cell-cell interactions occur. Resolvin E1 possesses unique counterregulatory actions that inhibit polymorphonuclear leukocyte (PMN) transendothelial migration. Resolvin E1 also acts as a potent inhibitor of leukocyte infiltration, dendritic cell migration, and IL-12 production.

2-Methylcitric acid trisodium (Methylcitric acid trisodium) is an endogenous metabolite in the 2-methylcitric acid cycle. 2-Methylcitric acid trisodium accumulates in methylmalonic and propionic acidemias and acts as a marker metabolite. 2-Methylcitric acid trisodium markedly inhibits ADP-stimulated and uncoupled respiration in mitochondria supported by glutamate.

2-Methylcitric acid (Methylcitric acid) is an endogenous metabolite in the 2-methylcitric acid cycle. 2-Methylcitric acid accumulates in methylmalonic and propionic acidemias and acts as a marker metabolite. 2-Methylcitric acid markedly inhibits ADP-stimulated and uncoupled respiration in mitochondria supported by glutamate.

Aldosterone is the primary mineralocorticoid. Aldosterone is a steroid hormone, and it is synthesized and secreted in response to renin-angiotensin system activation (RAS) or high dietary potassium by the zona glomerulosa (ZG) of the adrenal cortex. Aldosterone activity is dependent by the binding and activation of the cytoplasmic/nuclear mineralocorticoid receptor (MR) at cellular level.

FAPy-adenine is an oxidized DNA base. Fapy-adenine shows an increased trend levels in the Alzheimer's disease brain. Oxidized nucleosides are biochemical markers for tumors, aging, and neurodegenerative diseases.

7α-Hydroxy-4-cholesten-3-one is an intermediate in synthesis of bile acids from cholesterol. 7α-Hydroxy-4-cholesten-3-one is a pregnane X receptor (PXR) agonist. 7α-Hydroxy-cholest-4-en-3-one is a biomarker for bile acid loss, irritable bowel syndrome, and other diseases associated with defective bile acid biosynthesis. 7α-Hydroxy-cholest-4-en-3-one is the physiological substrate for CYP8B1.