ASP7657 (ASP-7657) is a potent, selective, orally active prostaglandin EP4 receptor antagonist with Ki values of 6.02 nM and 2.21 nM for rat and human EP4 receptors, resepctively.

ASP-9521 is a potent, selective and orally available AKR1C3 inhibitor with an IC50 of 11 nM for human AKR1C3.

AST-3424 (OBI-3424, TH-3424) is a first-in-class, novel prodrug that selectively targets cancers overexpressing the enzyme AKR1C3, OBI-3424 is a highly selective prodrug that is converted by AKR1C3 to a DNA alkylating agent.

Astragaloside A, also known as astragaloside IV, is known to have diverse protective effects for the cardiovascular, immune, digestive, and nervous systems.

Astragaloside IV, an active component isolated from Astragalus membranaceus, suppresses the activation of ERK1/2 and JNK, and downregulates matrix metalloproteases (MMP)-2, (MMP)-9 in MDA-MB-231 breast cancer cells.

ASTX660 is a novel potent IAP antagonist that targets the BIR3 domain of cIAP1/2 and XIAP with IC50 of 12 nM and <40 nM.

Asunaprevir (BMS-650032) is a potent hepatitis C virus (HCV) NS3 protease inhibitor.

AT-1002, a 6-mer synthetic peptide, is a tight junction regulator and absorption enhancer.

AT-127 is a novel potent, selective nociceptin/orphanin FQ receptor (NOP receptor) agonist with Ki of 1.18 nM.

AT-130 is a potent inhibitor of HBV capsid assembly, inhibits wild-type HBV replication with IC50 of 2.4 uM.

AT13148 is a novel, oral multi-AGC kinase inhibitor with potent pharmacodynamic and antitumor activity; AKT, p70S6K, PKA, ROCK, and SGK inhibitor.

AT13387 is a selective potent Hsp90 inhibitor with IC50 of 18 nM in A375 cells, displays a long duration of anti-tumor activity.

AT-406 (formerly known as SM-406) is an orally bioavailable potent IAP (inhibitor of apoptosis protein) of XIAP, cIAP1, and cIAP2 with Ki of 66.4 nM, 1.9 nM, and 5.1 nM, respectively.

AT-56 is a selective, competitive, and highly bioavailable inhibitor of lipocalin-type prostaglandin D synthase (L-PGDS) with a Ki value of 75 µM.

AT7519 is a multi-CDK inhibitor for CDK1, 2, 4, 6 and 9 with IC50 of 10-210 nM; less potent to CDK3 and little active to CDK7.

AT7519 is a novel multi-CDK inhibitor for CDK1/cyclin B, CDK2/Cyclin A, CDK3/Cyclin E, CDK4/Cyclin D1, CDK5/p35 and CDK6/Cyclin D3 with IC50 of 210 nM, 47 nM, 360 nM, 100 nM, 13 nM and 170 nM, respectively.

AT7867 is a potent ATP-competitive inhibitor of Akt1/2/3 and p70S6K/PKA with IC50 of 32 nM/17 nM/47 nM and 85 nM/20 nM, respectively; little activity outside the AGC kinase family.

AT9283 is a small molecule a multi-targeted inhibitor with of 4, 1.2, 1.1 and approximate 3 nM for Bcr-Abl(T3151), Jak2 and Jak3, aurora A and B, respectively.

Atabecestat (JNJ-54861911, JNJ54861911) is a novel potent, oral beta-secretase (BACE) inhibitor for treatment of Alzheimer's Disease.

Ataciguat (HMR-1766) is a potent, specific soluble guanylate cyclase (sGC) activator with EC50 of 0.51 uM, preferentially activates the NO-insensitive heme-oxidized form of sGC.

Atazanavir is a HIV protease inhibitor with Ki of 2.66 nM.

ATB-346 is a novel hydrogen sulphide-releasing derivative of naproxen with markedly reduced toxicity.