PSB-0788 (compound 17), xanthine-8-yl-benzenesulfonamide derivative, is a new selective high-affinity A2B antagonist with IC50 value of 3.64 nM and Ki value of 0.393 nM, respeactively. PSB-0788 (compound 17) can be used for the research for chronic inflammatory lung diseases.

LJ-4517 is a potent A2AAR antagonist, with a Ki of 18.3 nM. LJ-4517 is potent in displacing the binding of [3H]ZM241385 at WT A2AAR.

SB 258741 hydrochloride is a specific 5-HT7 receptor antagonist and can be used for the research of schizophrenia.

Sarpogrelate (MCI-9042) is a new, specific orally active 5-HT2 receptor antagonist, Sarpogrelate (MCI-9042) increases platelet aggregation and has hemostasis effect, and can be used for the research of Buerger’s disease.

EMD386088 is a potent serotonin 6 receptor (5-HT6R) agonist. EMD386088 induces cell death. EMD386088 regulates the activity of ERK1/2. EMD386088 has the potential for the research of alzheimer's disease (AD) and schizophrenia.

Brexpiprazole (OPC-34712) hydrochloride, an atypical orally active antipsychotic drug, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole hydrochloride is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole hydrochloride also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM).

ACT-541468 is a dual orexin receptor antagonist.

CXCR4 probe 1 (compound 5) is a potent and specific CXCR4-targeted PET tracer with an IC50 value of 6.9 nM against CXCR4-specific antagonist peptide, TN14003. CXCR4 probe 1 has potential to be used as CXCR4-specific imaging probe to diagnose and monitor the prognosis of inflammatory diseases, CXCR4-positive tumors, and metastatic cancers.

Nitrocaramiphen hydrochloride is an antagonist of muscarinic acetylcholine receptor M1 (mAChR M1), which can completely remove the hyperpolarizing effect of muscarine.

Deschloroclozapine, a metabolite of Clozapine, is a highly potent muscarinic DREADDs (muscarinic Designer Receptors Exclusively Activated by Designer Drugs) agonist, and binds to DREADD receptor subtypes hM3Dq and hM4Di with Ki of 6.3 and 4.2 nM, respectively.

SLF1081851 (16 d) is an effective Sphingolipid Transporter 2 (Spns2) (S1P transporter) inhibitor with an IC50 value of 1.93 μM (S1P), SLF1081851 inhibits SphK2 with an IC50 value of ≈ 30 μM (SphK2), and is at least 15-fold more selective for SphK2 than SphK1. SLF1081851 has the potential to investigate Spns2 biology and can be used for autoimmune encephalomyelitis (EAE) research.

[Leu5]Enkephalin a five amino acid endogenous peptide that acts as an agonist at opioid receptors.

Biperiden (KL 373) lactate is an orally active non-selective muscarinic receptor antagonist that competitively binds to M1 muscarinic receptors. Biperiden (KL 373) lactate inhibits acetylcholine and enhances dopamine signaling in the central nervous system. Biperiden (KL 373) lactate has the potential for the research of Parkinson's disease and other related psychiatric disorders.

Penehyclidine, a anticholinergic agent, is a selective antagonist of M1 and M3 receptors. Penehyclidine activates NF-kβ in lung tissue and inhibits the release of inflammatory factors. Penehyclidine can alleviate the pulmonary inflammatory response in rats with chronic obstructive pulmonary disease (COPD) undergoing mechanical ventilation.

Cimetidine (SKF-92334) hydrochloride is an orally active and inverse histamine H2 receptor antagonist with a Ki of 0.6 μM. Cimetidine hydrochloride is a gastric acid reducer, and can be used for duodenal and gastric ulcers research. Cimetidine hydrochloride has anti-cancer and anti-inflammatory activity.

Izuforant (JW1601) (Compound 24) is an orally active histamine H4 receptor (H4R) antagonist with an IC50 of 36 nM against human H4R. Izuforant also shows binding affinity of human serotonin 3 receptor (h5-HT3R) with an IC50 of 9.1 μM. Izuforant exhibits strong anti-pruritic and anti-inflammatory efficacies.

Dexchlorpheniramine is an potent and blood-brain barrier (BBB) penetrant histamine 1 (H1) receptor antagonist with anticholinergic properties. Dexchlorpheniramine can be used for researching allergies.

Ambrisentan (BSF 208075) sodium is a selective and orally active ET type A receptor (ETAR) antagonist.

UNC9994 hydrochloride is a functionally selective, β-arrestin–biased dopamine D2 receptor (D2R) agonist that selectively activates β-arrestin recruitment and signaling. UNC9994 hydrochloride shows a binding affinity with a Ki of 79 nM for D2R. UNC9994 hydrochloride is also an antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9994 hydrochloride shows antipsychotic-like activity.

AM8936 acts as a balanced and potent cannabinoid receptor type-1 (CB1) agonist in functional assays (EC50s of 8.6 and 1.4 nM for rCB1 and hCB1, respectively). AM8936 exhibits high affinity for rat CB1 (rCB1) with Ki of 0.55 nM. AM8936 is a potent and efficacious CB1 agonist in vivo. AM8936 can be used for the research of CNS and metabolic disorders, pain, glaucoma, etc.

Fulimetibant is a bradykinin receptor antagonist.

Apraclonidine (ALO 2145 (free base)), a selective α2 and weak α1 receptor agonist activity, effectively low intraocular pressure (IOP) in human eyes. Apraclonidine hydrochloride is a topical ophthalmic solution.

Benoxathian hydrochloride is a potent α1 adrenoceptor antagonist, can be used for researching anorexia.

Levobetaxolol is a potent and high affinity β-adrenergic antagonist with IC50 values of 33.2, 2970, 709 nM for guinea pig atrial β1, tracheal β2 and rat colonic β3 receptors, respectively. Levobetaxolol reduces IOP (intraocular pressure). Levobetaxolol exhibits a micromolar affinity for L-type Ca21-channels. Levobetaxolol decreases the effects of ischaemia/reperfusion injury in rats. Levobetaxolol has the potential for the research of glaucoma.

OxyMetazoline is an α-adrenoceptor agonist with IC50s of 0.02 μM, 0.25 μM, 0.58 μM and 0.13 μM for α1A, α1B, α2A and α2C. OxyMetazoline can be used for researching nasal mucosa decongesting.

Dipivefrin is a potent adrenergic agonist. Dipivefrin is an adrenergic pro-drug. Dipivefrin can be used for reduce IOP (intraocular pressure) in patients suffering from chronic open angle glaucoma.

Tasipimidine sulfate is an orally active and selective α2A-adrenoceptor agonist with a pEC50 of 7.57 against human α2A-adrenoceptor. Tasipimidine sulfate can be used for situational anxiety and fear research.

Ziprasidone (CP-88059) mesylate, an orally active antipsychotic agent, is a combined 5-HT and dopamine receptor antagonist. Ziprasidone mesylate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM).

Ziprasidone (CP-88059) mesylate trihydrate, an orally active antipsychotic agent, is a combined 5-HT and dopamine receptor antagonist. Ziprasidone mesylate trihydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM).

Blonanserin dihydrochloride is a potent and orally active 5-HT2A and dopamine D2 receptor antagonist, with Ki values of 0.812 and 0.142 nM, respectively. Blonanserin dihydrochloride is usually acts as an atypical antipsychotic agent, and can be used for the research of extrapyramidal symptoms, excessive sedation, or hypotension.