Abiraterone (CB-7598) is a potent CYP17 inhibitor with IC50 of 2 nM.

ABT-263 (Navitoclax) is a potent inhibitor of Bcl-xL, Bcl-2 and Bcl-w with Ki of ≤ 0.5 nM, ≤1 nM and ≤ 1 nM, respectively.

ABT-639 is a novel, peripherally acting, selective T-type Ca2+ channel blocker. ABT-639 blocks recombinant human T-type (Cav3.2) Ca2+ channels in a voltage-dependent fashion (IC50 = 2 μM) and attenuates LVA currents in rat DRG neurons (IC50 = 8 μM).

ABT-737 is a BH3 mimetic inhibitor of Bcl-xL, Bcl-2 and Bcl-w with EC50 of 78.7 nM, 30.3 nM and 197.8 nM, respectively.

ABT-751(E 7010) is a novel bioavailable tubulin-binding and antimitotic sulfonamide agent with IC50 of about 1.5 and 3.4 μM in neuroblastoma and non-neuroblastoma cell lines, respectively.

ABT-869 is an ATP-competitive, multi-targeted RTK inhibitor that is completely effective against all members of the vascular endothelial growth factor (VEGF) and platelet derived growth factor (PDGF) receptor families.

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

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

Acalabrutinib (ACP-196) is a second-generation, selective, irreversible inhibitor of BTK.

Acalisib (GS-9820) is a potent and selective inhibitor of PI3Kδ with IC50 value of 12.7 nM.

Acebilustat(ZK322) is a potent and selective leukotriene A4 hydrolase inhibitor.

Acelarin (NUC-1031) is a ProTide transformation and enhancement of the widely-used nucleoside analogue, gemcitabine.

Acetaminophen is a COX inhibitor for COX-1 and COX-2 with IC50 of 113.7 μM and 25.8 μM, respectively.

Acrizanib（LHA510） is a potent and selective angiogenesis inhibitor and VEGFR‑2 Inhibitor Specifically Designed for Topical Ocular Delivery, as a Therapy for Neovascular Age-Related Macular Degeneration.

ACT-541468 is a dual orexin receptor antagonist.

Acumapimod (BCT197) is an orally active p38 MAP kinase inhibitor, with an IC50 of less than 1 μM for p38α.

ACY-738 demonstrates inhibitory activity against recombinant HDAC6 with IC50 values of 1.7 nM, with respective average selectivity over class I HDACs being 100-fold.

Acyclovir (Aciclovir)

Adavivint (SM-04690, SM 04690, SM04690) is a novel small molecule Wnt pathway inhibitor with EC50 of 3 nM in vitro

ADL5859 agonizes δ-opioid receptor with a 1000-fold selectivity than µ- or κ-opioid receptor with Ki of 32 nM and 37 nM, respectively.ADL5859 displays weak inhibitory activity at the hERG channel with an IC50 of 78 μM. The EC50 of ADL5859 against δ opioid

ADX-102 (Reproxalap, NS-2) is a novel small molecule immunomodulator that covalently binds aldehydes including malondialdehyde and 4-hydroxynonenal, which have been shown to mediate inflammatory pain; DX-102 is a promising agent for the treatment of dry eye disease.

AEE788 is a potent inhibitor of EGFR and HER2/ErbB2 with IC50 of 2 nM and 6 nM, less potent to VEGFR2/KDR, c-Abl, c-Src, and Flt-1, does not inhibit Ins-R, IGF-1R, PKCα and CDK1. Phase 1/2.