Enuvaptan is a vasopressin receptor antagonist and has the potential for research into renal and cardiovascular diseases.

Usmarapride (SUVN-D4010) is a selective 5-HT4 receptor ligand with EC50 value 27.5nM, intended for the symptomatic research of Alzheimer's disease and other disorders of memory and cognition like attention deficient hyperactivity, Parkinson's and schizophrenia.

Trazpiroben (TAK-906) is a dopamine D2/D3 receptor antagonist used for chronic research of moderate-to-severe gastroparesis.

Onzigolide (BIM-23A760), a chimeric dopamine-somatostatin compound, shows potent agonist activity at both DA type 2 (D2R) and SST type 2 (SSTR2) receptors.

Medifoxamine is a monoamine re-uptake inhibiting antidepressive drug which preferentially inhibits dopamine reuptake.

Elinzanetant is a neurokinin receptors antagonist used for the research of Schizophrenia.

A2B receptor antagonist 2 (compound 18) is an adenosine receptor A2B antagonist, with Ki values of 2.30 μM, 6.8 μM and 3.44 μM for rA1, rA2A and hA2B, respectively.

[Leu31,Pro34]- Neuropeptide Y (porcine), a Neuropeptide Y (NPY) analog, is a selective NPY Y1 receptor agonist. [Leu31,Pro34]- Neuropeptide Y (porcine) exhibits anxiolytic effects.

Litorin, an amphibian bombesin peptide derivative, is an bombesin receptor agonist. Litorin stimulates the contraction of smooth muscle, stimulates gastrin, gastric acid, and pancreatic secretion, and suppresses the nutriment in vivo.

Angiopeptin TFA, a cyclic octapeptide analogue of somatostatin, a weak sst2/sst5 receptor partial agonist with IC50 values of 0.26 nM and 6.92 nM, respectively. Angiopeptin TFA is a potent inhibitor of growth hormone release and insulin-like growth factor-1 (IGF-1) production. Angiopeptin TFA inhibit adenylate cyclase or stimulate extracellular acidification. Angiopeptin TFA has the potential for coronary atherosclerosis research.

ICI-118,551 is a selective beta-2 (β2) adrenergic receptor antagonist.ICI binds to the β2 subtype with at least 100 times greater affinity than β1 or β3, the two other known subtypes of the beta adrenoceptor.

LY2033298 is a robust allosteric potentiator that is highly selective for the human M4 muscarinic acetylcholine receptor subtype. LY2033298 enhances inhibition by oxotremorine of light-induced phase shifts in hamster circadian activity rhythms.

Salbutamol is an agonist of the β2-adrenergic receptor (β2-AR; Kd = 759 nM in a radioligand binding assay using CHO cells expressing the human receptor).

L-372662 is a potent and orally active non-peptide oxytocin antagonist with a Ki value of 4.8. The Kd value of L-372662 for wild-type hOTR and [A318G]OTR is 5.8 nM and 73 nM. L-372662 shows selectivity to OTR:V1aR.

CCR4 antagonist 3 hydrochloride is an orally active, potent and selective CCR4 antagonist. CCR4 antagonist 3, featuring a novel piperidinyl-azetidine motif, has IC50s of 22 nM and 50 nM in the calcium flux and CTX assay. CCR4 antagonist 3 has antitumor activity.

BGC-20-1531 (PGN 1531) free base is a potent and selective prostanoid EP4 receptor antagonist, with a pKb of 7.6. BGC-20-1531 free base has the potential for the research of migraine headache.

2-Methylthio-AMP (2-MeSAMP) diTEA is a selective and direct P2Y12 antagonist. 2-Methylthio-AMP diTEA is an inhibitor of ADP-dependent platelet aggregation.

Imnopitant is a NK1 receptor antagonist (WO2020132716, compound 1) .

L-AP3, metabotropic glutamate receptor (mGluR) antagonist, inhibits D-phosphoserine and L-phosphoserine with IC50s of 368 μM and 2087 μM, respectively.

UPF-523 (AIDA), a rigid (carboxyphenyl) glycine derivative, is a relatively potent and selective antagonist of group I metabotropic glutamate receptors (mGlu1a) with an IC50 of 214 μM. But UPF-523 has no effect on group II (mGlu2), group III (mGlu4) receptors or ionotropic glutamate receptors. UPF-523 has the potential for the research of the acute arthritis.

DH97 is a potent and selective antagonist of MT2 melatonin receptor, with a pKi of 8.03 for human MT2. DH97 shows 89- and 229-fold selectivity for human MT2 over human mt1 and Xenopus mel1c receptor subtypes. DH97 can inhibit melatonin-induced enhancement of electrically-evoked responses.

UCM 608 is a high affinity melatonin (MT) membrane receptor agonist. The pKi values for MT1 and MT2 are 10.7 and 10.4.

MCL0020 is a potent and selective melanocortin MC4 receptor antagonist, with an IC50 of 11.63 nM. MCL0020 dose-dependently and significantly attenuates restraint stress-induced anorexia without affecting food intake.

(S)-(+)-Dimethindene maleate, an enantiomer, is a potent M2-selective muscarinic receptor antagonist (pA2 = 7.86/7.74; pKi = 7.78). (S)-(+)-Dimethindene maleate shows lower affinities for the muscarinic M1 (pA2 = 6.83/6.36; pKi = 7.08), the M3 (pA2 = 6.92/6.96; pKi = 6.70) and the M4 receptors (pKi = 7.00), respectively. (S)-(+)-Dimethindene maleate also is a histamine H1 receptor antagonist (pA2 = 7.8).

Cipralisant (GT-2331) (maleate) is an orally active, low-toxicity, potent, selective, high affinity histamine H3 receptor full antagonist in vivo, and an agonist in vitro, with a pKi of 9.9 for histamine H3 receptor and a Ki of 0.47 nM for rat histamine H3 receptor. Cipralisant (maleate) has the potential for attention-deficit hyperactivity disorder research.

Quinelorane dihydrochloride (LY163502) is a potent dopamine D3/D2 receptor agonist. Quinelorane has the potential for neurological and psychiatric disorders research.

(±)-Penbutolol-d9 ((Rac)-Penbutolol-d9) hydrochloride is a deuterium labeled (±)-Penbutolol hydrochloride. (+)-Penbutolol hydrochloride is a β-adrenoceptor antagonist, with an IC50 of 0.74 μM.

SB 258719 (hydrochloride) is a selective 5-HT7 receptor antagonist displayed high affnity (pKi=7.5) for the receptor. SB-258719 (hydrochloride) shows apparent partial inverse agonism.

Felcisetrag (TD-8954) is an orally active, potent and selective 5-HT4 receptor agonist with gastrointestinal prokinetic properties. Felcisetrag has high affinity (pKi =9.4) for human 5-HT4(c) receptors.

Methylnaltrexone Bromide is a pheriphally-acting μ-opioid antagonist that acts on the gastrointestinal tract to decrease opioid-induced constipation.