CYM 9484 is a selective and highly potent neuropeptide Y (NPY) Y2 receptor antagonist with an IC50 value of 19 nM.

MA-2029 is a selective, orally active, and competitive motilin receptor antagonist (IC50=4.9 nM). MA-2029 is selective for the motilin receptor over various other receptors and ion channels. MA-2029 may be useful for gastrointestinal disorders associated with disturbed gastrointestinal motility.

TC-MCH 7c, a phenylpyridone derivative, is an orally available, selective and brain-penetrable MCH1R antagonist with an IC50 of 5.6 nM for hMCH1R. TC-MCH 7c has Kis of 3.4 nM and 3.0 nM of human and mouse MCH1R, respectively.

SRX246 is a potent, CNS-penetrant, highly selective, orally bioavailable vasopressin 1a (V1a) receptor antagonist (Ki=0.3 nM for human V1a). SRX246 has no interaction at V1b and V2 receptors. SRX246 also displays negligible binding at 64 others receptors classes, including 35 G-proteincoupled receptors. SRX246 can be used for treatment of stress-related disorders.

IRL 2500 is a potent Endothelin receptor antagonist. IRL 2500 shows IC50 values of 1.3 and 94 nM for ETB and ETA receptors, respectively. IRL 2500 inhibits ETB receptor-mediated blood pressure increase and renal vascular resistance in rats in vivo.

J-113863 is a potent and selective CCR1 (CD18) antagonist with IC50 values of 0.9 nM and 5.8 nM for human and mouse CCR1 receptors, respectively. J-113863 is also a potent antagonist of the human CCR3 (IC50 of 0.58 nM) , but a weak antagonist of the mouse CCR3 (IC50 of 460 nM). J-113863 is inactive against CCR2, CCR4 and CCR5, as well as the LTB4 or TNF-α receptors. Anti-inflammatory effect.

YM022 is a highly potent, selective and orally active gastrin/cholecystokinin (CCK)-B receptor (CCK-BR) antagonist. YM022 shows the Ki values of 68 pM and 63 nM for CCK-B and CCK-A receptor, respectively. YM022 can inhibit gastrin-induced gastric acid secretion and histidine decarboxylase activation in vivo.

Proglumide hemicalcium is a nonpeptide and orally active cholecystokinin (CCK)-A/B receptors antagonist. Proglumide hemicalcium selective blocks CCK’s effects in the central nervous system (CNS). Proglumide hemicalcium has ability to inhibit gastric secretion and to protect the gastroduodenal mucosa. Proglumide hemicalcium also has antiepileptic and antioxidant activities.

SB228357 is a selective, potent oral active 5-HT2C/2B receptor antagonist with pKi values of 6.9, 8.0 and 9.0 for 5-HT2A, 5-HT2B and 5-HT2C, respectively. SB228357 has antidepressant/anxiolytic effects.

AS19 is a potent, selective 5-HT7 receptor agonist with an IC50 value of 0.83 nM and a Ki of 0.6 nM. AS19 is selective for 5-HT7 over 5-HT1A, 5-HT1B, 5-HT1D, and 5-HT5A receptors (Kis = 89.7 nM, 490 nM, 6.6 nM and 98.5 nM, respectively). AS19 enhances memory consolidation and reverses Scopolamine- or Dizocilpine-induced amnesia.

(Rac)-WAY-161503 is a potent, selective, highly affinity 5-HT2C receptor agonist with a Ki of 4 nM and an EC50 of 12 nM. (Rac)-WAY-161503 displays higher affinity for 5-HT2C than 5-HT2A and 5-HT2B receptors. (Rac)-WAY-161503 has anti-obesity and antidepressant effects.

SB 243213 dihydrochloride is an orally active, selective and high-affinity 5-hydroxytryptamine (5-HT)2C receptor antagonist with a pKi of 9.37 and a pKb of 9.8 for human 5-HT2C receptor. SB 243213 dihydrochloride has improved anxiolytic profile and has the potential for schizophrenia and motor disorders.

ST1936 oxalate is a selective, nanomolar affinity 5-HT6 receptor agonist with Ki values of 13 nM, 168 nM and 245 nM for human 5-HT6, 5-HT7 and 5-HT2B receptors, respectively. ST1936 oxalate also shows moderate affinity (Ki of 300 nM) for human α2 adrenergic receptor.

Fananserin (RP 62203) is an orally bioavailable, potent and selective 5-hydroxytryptamine2 (5-HT2) receptor antagonist, with a Ki of 0.37 nM for the rat 5-HT2A receptor. Fananserin also is a selective dopamine D4 receptor antagonist, with a Ki of 2.93 nM for the human dopamine D4 receptor.

Lintitript (SR 27897) is a highly potent, selective, orally active, competitive and non-peptide cholecystokinin (CCK1) receptor antagonist with an EC50 of 6 nM and a Ki of 0.2 nM. Lintitript displays > 33-fold selectivity more selective for CCK1 than CCK2 receptors (EC50 value of 200 nM). Lintitript increases plasma concentration of leptin and food intake as well as plasma concentration of insulin.

Darbufelone is a dual inhibitor of cellular PGF2α and LTB4 production. Darbufelone potently inhibits PGHS-2 (IC50= 0.19 μM) but is much less potent with PGHS-1 (IC50=20 μM).

Otenzepad (AF-DX 116) is a selective and competitive M2 muscarinic acetylcholine receptor antagonist, with IC50 values of 640 nM and 386 nM for rabbit peripheral lung and rat heart, respectively.

8-M-PDOT (AH-002) is a selective melatonin MT2 receptor agonist. 8-M-PDOT is 5.2-fold selective for MT2 over MT1 receptors. 8-M-PDOT binds human recombinant MT2 and MT2 receptors with pKi values of 8.23 and 8.95 respectively. 8-M-PDOT has anxiolytic-like activity.

Tiotidine (ICI 125211) is a potent and selective antagonist of histamine H2-receptor (pA2=7.3-7.8 for guinea-pig right atrium). Tiotidine has low affinity for both the H1 and the H3 receptors.

2-Iodomelatonin is a potent agonist of melatonin receptor 1 (MT1) with a Ki value of 28 pM, it is more 5-fold selective for MT1  over MT2. 2-iodomelatonin can be used to identify, characterize and localize melatonin binding sites in the brain and peripheral tissues.

Cinanserin hydrochloride (SQ 10643) is a potent, selective and highly affinity 5-HT2 receptor antagonist with a Ki of 41 nM. Cinanserin hydrochloride has a much higher binding affinity for the 5-HT2 than for the 5-HT1 receptor (Ki of 3500 nM). Cinanserin is also an inhibitor of 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro.

Dehydroaripiprazole (OPC-14857) is an active metabolite of Aripiprazole. Aripiprazole is an antipsychotic agent and is metabolized by CYP3A4 and CYP2D6 forming mainly Dehydroaripiprazole. Dehydroaripiprazole has with antipsychotic activity equivalent to Aripiprazole.

Didesmethyl cariprazine is a metabolite of Cariprazine and acts as the predominant circulating active moiety. Didesmethyl cariprazine has a long half-life of 1-3 weeks. Cariprazine is a antipsychotic drug candidate that exhibits high affinity for the D3 and D2 receptors, and moderate affinity for the 5-HT1A receptor.

Desmethyl cariprazine is an active metabolite of Cariprazine. Cariprazine, an antipsychotic drug candidate, exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (2.6 nM).

4-Hydroxypropranolol hydrochlorid is an active metabolite of Propranolol. 4-Hydroxypropranolol hydrochlorid is of comparable potency to Propranolol. 4-Hydroxypropranolol hydrochlorid inhibits β1- and β2-adrenergic receptors with pA2 values of 8.24 and 8.26, respectively. 4-Hydroxypropranolol hydrochlorid has intrinsic sympathomimetic activity, membrane stabilizing activity and potent antioxidant properties.

JTC-801 is a selective opioid receptor-like1 (ORL1) receptor antagonist with IC50 of 94 nM, weakly inhibits receptors δ, κ, and μ.

Ceralifimod is selective, high potent agonist for sphingosine 1-phosphate receptors 1 and 5, with EC50s of 27.3, 334 pM for human S1P receptor 1 and 5, respectively.