Aramchol, also known as arachidyl amido cholanoic acid, is a conjugate of arachidic acid and cholic acid.

Umifenovir is currently being investigated as a potential treatment and prophylactic agent for COVID-19 caused by SARS-CoV2 infections in combination with both currently available and investigational HIV therapies. Arbidol hydrochloride (Umifenovir hydroc

AR-C102222 is a potent, selective iNOS inhibitor with IC50 of 35 nM, dislapys 3,000-fold and 20-fold selectivity over eNOS and nNOS respectively.

AR-C155858 is a potent monocarboxylate transporter MCT1 and MCT2 with Ki of 2.3 nM and <10 nM, displays no activity at MCT4.

Arctigenin is an extract from A. lappa, a burdock plant traditionally used in Japanese Kampo medicine for its antioxidant, anti-inflammatory,

Arctiin, a plant lignan that can be extracted from the Arctium lappa (burdock) seeds, is a possible environmental endocrine disruptor compounds and have been shown to influence sex hormone metabolism as well as protein synthesis, steroid biosynthesis.

Arg-AMS is a potent nanomolar inhibitor of arginyl tRNA synthetase, which displays tightly bound inhibitory characteristics for the A-domains in non-ribosomal peptide synthetases (NRPS) enzymes.

Argatroban

Argatroban monohydrate is a direct, selective thrombin inhibitor.

Arglabin is a sesquiterpene gamma-lactone is isolated from Artemisia glabella; anticancer natural compound.

AR-HO47108 is a potent, selective acid pump antagonist (potassium-competitive acid blocker or P-CAB) that reversiblely inhibits gastric H+/K+-ATPase with pIC50 of 7.0.

ARM390 is a non-peptidic, low-internalizing δ-selective opioid receptor agonist.

ARN077 is the first potent, selective N-acylethanolamine acid amidase (NAAA) inhibitor with IC50 of 7 nM on both rat NAAA and human NAAA.

ARN14494 (ARN-14494) is a potent, small molecule serine palmitoyltransferase (SPT) inhibitor with IC50 of 27.3 nM.

ARN19874 (ARN-19874) is the first selective, cell-active inhibitor of N-acylphosphatidylethanolamine phospholipase D (NAPE-PLD) with IC50 of 33.7 uM.

ARN2966 is a potent post-transcriptional modulator of APP expression; reduces expression of APP with resultant lower production of Aβ.

ARN-3261 is a potent, selective, orally available salt inducible kinase SIK2 and SIK3 inhibitor with IC50 of 11 nM and 19 nM, respectively.

ARN726 is a potent, selective, orally bioavailable N-acylethanolamine acid amidase (NAAA) inhibitor with IC50 of 63 nM (r-NAAA) and 27 nM (h-NAAA).

ARP101 (ARP-101) is a selective MMP-2 inhibitor, induces autophagy-associated cell death in cancer cells.

ARQ 621 is an allosteric, and selective Eg5 mitotic motor protein inhibitor. Phase 1.

ARRY-502 is an orally bioavailable, potent and selective antagonist of the prostaglandin D2 receptor (CRTh2) for treatment of mild to moderate Th2-driven asthma..

ARRY-520 is a synthetic, small molecule kinesin spindle protein (KSP) inhibitor with IC50 of 6 nM.