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.

AT791 is a novel orally available, small molecule inhibitor of TLR7 and TLR9 with IC50 of 3.33 uM and 0.04 uM respectively, inhibits DNA-TLR9 interaction in vitro.

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.

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.

Atagabalin (PD 0200390) is a novel ligand of the voltage-dependent calcium channel (VDCC) α2δ subunit (1 and 2) for treatment for insomnia..

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

Atglistatin is a highly potent, selective and competitive inhibitor of adipose triglyceride lipase (ATGL) with an IC50 of ~0.7 μM for inhibition of lipolysis in vitro, but no toxicity up to a concentration of 50 μM.

Atiprimod (SKF 106615, Azaspirane) is a potent, orally bioavailable JAK2 inhibitor, inhibits phosphorylation of JAK2 and the downstream STAT3 and STAT5 pathways.

Atiprimod (SKF 106615, Azaspirane) is a potent, orally bioavailable JAK2 inhibitor, inhibits phosphorylation of JAK2 and the downstream STAT3 and STAT5 pathways.

ATM Inhibitor-1 is a highly potent, selective and orally active ATM inhibitor, with an IC50 of 0.7 nM, shows weak activity against mTOR (IC50, 21 μM), DNAPK (IC50, 2.8 μM), PI3Kα (IC50, 3.8 μM), PI3Kβ (IC50, 10.3 μM), PI3Kγ (IC50, 3 μM) and PI3Kδ (IC50, 0

ATM-3507 (ATM3507) is a small molecule inhibitor of Tpm3.1 tropomyosin isoform, disrupts Tpm3.1-containing microfilaments in SK-N-SH cells at 5 uM.

ATN-161 is a novel integrin α5β1 antagonist, which inhibits angiogenesis and growth of liver metastases in a murine model.

Atocalcitol

Atomoxetine ((R)-Tomoxetine.

Atovaquone is a medication used to treat or prevent for pneumocystis pneumonia, toxoplasmosis, malaria, and babesia.

ATP (Adenosine-Triphosphate)

ATR-101 (PD-132301, Nevanimibe) is a selective and potent inhibitor of ACAT1 with IC50 of 52 nM.

ATR-101 (PD-132301, Nevanimibe) is a selective and potent inhibitor of ACAT1 with IC50 of 52 nM.

Atractylenolide II has antiinflammatory activity, it can inhibit platelets activities and thrombus formation. Atractylenolide II has cytotoxic/apoptotic effects may via p38 activation ,ERK and Akt inactivation, p53 dependent, it also has antimelanoma effe

Atractylenolide III, a potential house dust mite control agent, has neuroprotection, gastroprotective, anti-cancer, and anti-inflammatory activities, it also may control immunological reactions by regulating the cellular functions of IL-6 in mast cells.

Atractylone has inhibitory effects on mast cell-mediated allergic reactions, it regulates the degranulation of mast cell, proves its potential in the treatment of mast cell-mediated allergic reactions.

Atracurium besylate is a non-depolarizing neuromuscular blocking agent with short duration of action. Its lack of significant cardiovascular effects and its lack of dependence on good kidney function for elimination provide clinical advantage over alternate non-depolarizing neuromuscular blocking agents.