2,4-Pyrimidinediamine with linker is a patent compound in WO2013055780A1, Page 71; multikinase inhibitor and has a -NH2 terminal linker for further synthesis.

20(S)-Hydroxycholesterol is an allosteric activator of the Hedgehog signaling pathway Smoothened (Smo) oncoprotein, binds at a site distinct from the canonical cyclopamine binding site.

20-O-Acetylingenol-3-angelate is a diterpene ester that has been found in E. peplus and a derivative of ingenol-3-angelate

22-Azacholesterol is the first small molecule inhibitor that inhibits Hedgehog (Hh) signaling by binding the oxysterol-binding site of Smo, inhibits Sonic Hedgehog (Shh) signaling with IC50 of 3 uM in NIH-3T3 cells..

25-Hydroxycholesterol is a metabolite of cholesterol that is produced and secreted by macrophages in response to Toll-like receptor (TLR) activation. 25-hydroxycholesterol is a potent (EC50≈65 nM) and selective suppressor of IgA production by B cells.

2-Aminoethanethiol (cysteamine) is a radiation-protective agent that oxidizes in air to form cystamine.

2BAct (eIF2B activator 2BAct) is a novel, highly selective, CNS-permeable small molecule eIF2B activator with EC50 of 33 nM in cell-based reporter assays.

2-cyano-Pyrimidine is a cathepsin K inhibitor with an IC50 of 170 nM.

2'-Deoxyadenosine monohydrate is a deoxyribonucleoside. A building block in the chemical synthesis.

2-Furoic acid (Furan-2-carboxylic acid) is an organic compound produced through furfural oxidation. 2-Furoic acid exhibits hypolipidemic effet, lowers both serum cholesterol and serum triglyceride levels in rats.

2'-Hydroxy-4'-methylacetophenone, a phenolic compound isolated from Angelicae koreana roots possesses acaricidal property. It could be used in the preparation of 4’-methyl-2’-[(p-tolylsulfonyl) oxy] acetophenone.

2-NBDG is a fluorescent indicator for direct glucose uptake measurement and also is an indicator of cell viability.

2''-O-Rhamnosylicariside II is a flavonoid glycoside compound and might be beneficial for improving postmenopausal osteoporosis.

2-Phenyl-2-(1-piperidinyl)propane is an analog of phencyclidine that acts as a mechanism-based inactivator of human cytochrome P450 (CYP) 2B6 (Ki = 5.6 µM; IC50 = 5.1 µM).

2-Phenylethanol (Phenethyl alcohol), extracted from rose, carnation, hyacinth, Aleppo pine, orange blossom and other organisms, is a colourless liquid that is slightly soluble in water. It has a pleasant floral odor and also an autoantibiotic produced by

3-(4-Pyridyl)indole is a ROCK-I inhibitor (IC50 = 25 µM) that promotes cell spreading, inhibits membrane blebbing, and induces dissolution of actin stress fibers in a wound healing assay

3,3'-Diindolylmethane(DIM) is a major digestive product of indole-3-carbinol, a potential anticancer component of cruciferous vegetables.

3,4-Dimethoxycinnamic acid (O-Methylferulic acid) is a monomer extracted and purified from Securidaca inappendiculata Hassk. 3,4-Dimethoxycinnamic acid exerts anti-apoptotic effects on L-02 cells via the ROS-mediated signaling pathway. Anti-apoptotic effe

3b-Hydroxy-5-cholenoic acid is a monohydroxy bile acid of endogenous origin and could be found in children with the syndrome of hepatic ductular hypoplasia.

3-Bromo-7-Nitroindazole is a more potent inhibitor of nNOS than 7-nitroindazole in vitro, is also potent against iNOS, inhibits rat nNOS, bovine eNOS, and rat iNOS with IC50 of 0.17, 0.86, and 0.29 uM..

3-Cyanochromone is a potent gram-negative bacteria WcbL protein inhibitor with IC50 of 28 uM in a competitive enzyme-inhibition model, shows inhibition constants Ki of 10 uM..

3-Deazaadenosine (hydrochloride) is an inhibitor of S-adenosylhomocysteine hydrolase, with a Ki of 3.9 µM; 3-Deazaadenosine has anti-inflammatory, anti-proliferative and anti-HIV activity.