(±)-WB 4101 is a highly selective α1-adrenergic receptor antagonist. (±)-WB 4101 blocks norepinephrine-induced vascular smooth muscle contraction to exert antihypertensive and benign prostatic hyperplasia (BPH)-relieving effects. (±)-WB 4101 is promising for research of hypertension and BPH.

F-14258 is a 5-HT1B/1D receptor agonist. F-14258 can achieve receptor specific analgesia through local administration. F-14258 can be used for research on ear pain.

TGF-8027 is a selective 5-HT2A agonist that can cross the blood-brain barrier. TGF-8027 exhibits EC50s of 3.3 nM, 160 nM and 7600 nM against 5-HT2A, 5-HT2C and 5-HT2B and exhibits EC50s against mouse 5-HT2A and mouse 5-HT2C of 14 and 210 nM. TGF-8027 can induce a head-shaking response in mice. TGF-8027 can be used to study diseases that target the 5-HT2A receptor (such as depression).

Y-36912 is an orally active, highly selective and affinity 5-HT4 receptor agonist (Ki = 1.5 nM). Y-36912 can accelerate gastric emptying and increase bowel frequency and stool weight. Y-36912 can be used for research on gastrointestinal conditions.

BRL 35135 is a potent and selective β3-adrenergic receptor agonist. BRL 35135 can dose dependently increase energy expenditure, reduce weight, and only reduce fat without reducing muscle protein. BRL 35135 can significantly improve glucose tolerance and insulin sensitivity. BRL 35135 can be used to study metabolic conditions such as obesity and diabetes.

CP-99994 is a Tachykinin neurokinin 1 (NK-1) receptor antagonist with a Ki of 0.25 nM. CP-99994 prevents colorectal sensitization in the context of visceral hypersensitivity. CP-99994 reduces colorectal hypersensitivity induced by acetic acid injections in a model of bladder-colon cross-sensitization. CP-99994 hydrochloride attenuates the neuroglial interactions and MAPK-p38 phosphorylation associated with visceral hypersensitivity.

SB 247083 is a selective, competitive and orally active endothelin-A receptor antagonist with a Ki of 0.41 nM. SB 247083 shows a Ki of 467 nM to endothelin-B receptor. SB 247083 shows a Kb of 3.5 nM for ET-1-induced contraction of rat aorta. SB 247083 can be used for the research of cardiovascular disease.

BU08028 is a dual-functional agonist that targets both the μ-opioid peptide receptor (MOP) and the neuropeptide FQ receptor (NOP). BU08028 activates the inhibitory G protein (Giα), thereby inhibiting the activity of adenylate cyclase (AC), resulting in a decrease in intracellular second messenger cyclic adenosine monophosphate (cAMP) levels, and suppressing the generation and transmission of pain signals. BU08028 can take effect within 30 minutes in mouse models of neuropathic pain and inflammatory pain, and its analgesic effect can last for up to 24 hours. BU08028 has excellent safety, no addiction, respiratory depression, or side effects. BU08028 can be used for pain research.

MW073 is a highly selective and orally active 5-HT2BR antagonist (IC50 =70 nM). MW073 exerts its effects by concentration-dependently inhibiting receptor activity and β-arrestin-1 recruitment. MW073 ameliorates synaptic plasticity and behavioral deficits, including aggression, in Alzheimer’s disease (AD) mouse models. MW073 can be used for Alzheimer’s disease (AD) research[1][2].

Elzasonan (CP-448187) is a 5-hydroxytryptamine1B receptor antagonist. Elzasonan is used in research on depression.

rel-Asenapine (rel-Org 5222) hydrochloride is a relative configuration of Asenapine hydrochloride. Asenapine (Org 5222) hydrochloride, an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine hydrochloride can be used in the research of schizophrenia and bipolar disorder.

Anisodine (Daturamine) is a neuroprotective compound that reduces exacerbated M1, M2, M4, and M5 receptor expression in brain tissues under hypoxia/reoxygenation conditions. Anisodine inhibits calcium ion influx and reactive oxygen species (ROS)levels. Anisodine leads to decreased aspartate levels during hypoxia.

BRL-41992 is a selective α₂B-adrenergic receptor antagonist. BRL-41992 exhibits 94-fold higher selectivity for the α₂B-receptor than for the α₂A-receptor with Kᵢ values in neonatal rat lung tissue (expressing the α₂B-receptor) and in human platelet membranes (expressing the α₂A-receptor) of 1.1 and 103.3 nM. BRL-41992 can be used to verify the functional differences of α₂ receptor subtypes.

PD 128483 is a selective dopamine autoreceptor agonist. PD 128483 can be used for the research of neurological disease.

NBI-75043 is an antagonist of H1 receptor.

1-Naphthyl U-47700 is an α-isomer. 1-Naphthyl U-47700 is a racemic mixtures of the trans-isomers [R,R and S,S]. 1-Naphthyl U-47700 activates MOR in a concentration-dependent manner (EC50 > 23 μM).

L 689660 maleate, a cholinomimetic agent, is a selective M1 and M3 muscarinic receptors agonist. L 689660 maleate is a potent M1 muscarinic receptor full agonist in the rat superior cervical ganglion (pEC50 of 7.3). L 689660 maleate is a potent M3 receptors agonist in the guinea-pig ileum myenteric plexus-longitudinal muscle or in trachea (pEC50 of 7.5 and 7.7, respectively).

CGS 22652 is a potent thromboxane A2 receptor antagonist. CGS 22652 has selective thromboxane A2 synthase inhibitory properties. CGS 22652 can be used in the research of coronary artery thrombosis.

ADD-17014 is a L-Glu antagonist. ADD-17014 impairs presynaptic excitatory amino acid L-Glu neurotransmission. ADD-17014 is a prodrug of its β-amino alcohol metabolite, and the metabolite acts as a NMDA receptor antagonist by binding to the MK-801 site located inside the NMDA receptor or ion channel. ADD-17014 has an anticonvulsant and anti-ischemic activity. ADD-17014 can be used for neurodegenerative diseases like Parkinson’s disease, Alzheimer’s disease and stroke research.

MK-5596 is an efficient, selective and orally active CB1R (IC50 = 1.0 nM, EC50 = 5.8 nM) inverse agonist. MK-5596 has weak hERG inhibitory activity. MK-5596 has strong weight loss and appetite suppression effects. MK-5596 has a certain inhibitory effect on CYP enzymes (CYP3A4: IC50 = 3.3 μM, CYP2C8: IC50 = 11 μM, CYP2C9: IC50 = 18 μM, CYP2D6: IC50 = 6 μM). MK-5596 can be used for research on conditions such as obesity.

GR 175737 is a partial histamine H3 receptor agonist, with an EC50 of 7.8 nM. GR 175737 can be used in the research of inflammatory diseases.

SDZ 208-912 is a dual-action 5-HT1A/2 receptor agonist and dopamine D1 receptor antagonist. SDZ 208-912 exhibits partial dopamine agonism and atypical neurosedative effects in rodent models. SDZ 208-912 can be used in research on neurological disorders such as schizophrenia.

Lergotrile is a potent and orally active dopamine agonist and a prolactin secretion inhibitor. Lergotrile inhibits prolactin release from pituitaries by activating an adenohypophyseal dopamine receptor. Lergotrile has the potential for the research of Parkinson's disease.

Raxlaprazine etomoxil is a small molecule compound with dopamine D2 and D3 receptor modulating activity, which has potential application value in research related to mental illnesses. Raxlaprazine etomoxil exhibits high affinity for human recombinant D2L receptors, with an inhibition constant (Ki) of 1.95 nM. Raxlaprazine etomoxil effectively inhibits forskolin-stimulated cAMP accumulation, with an half maximal effective concentration (EC50) of 3.72 nM in functional activity experiments.

RWJ-68022 (Example 9) is a cyclopentene derivative and a motilin receptor antagonist. RWJ-68022 can compete with motilin and erythromycin for the motilin receptor site. RWJ-68022 can be used in the research of gastrointestinal-related diseases.

SRI-22136 is a Delta Opioid Receptor (DOR) antagonist that can cross blood-brain barrier with a IC50 of 0.42 nM. SRI-22136 does not have agonistic activity but antagonistic activity against DOR, MOR (IC50 = 370 nM), KOR (IC50 = 54 nM) and can avoid addiction/aversion effects. SRI-22136 can effectively inhibit the BACE1 activity induced by DADLE (a DOR agonist)) (IC50 = 120 nM). SRI-22136 prevents completely Alzheimer’s-like pathology in mouse model. SRI-22136 can used for the study of Alzheimer’s disease.

SC-42867 is a PGE2 antagonist. SC-42867 can be metabolized in the liver through oxidative N-dealkylation, aromatic hydroxylation, and binding reactions. SC-42867 can be used for research on metabolic conditions.

RS-79948-197 hemihydrate is a non-imidazoline α2-adrenoceptor antagonist. RS-79948-197 hemihydrate shows Kd values of 0.42 nM, 0.18 nM, 0.19 nM, 0.60 nM, 0.46 nM, and 0.77 nM for rat α2A, rat α2B, rat α2C, human α2A, human α2B, and human α2C, respectively.

NZ-107 is an orally active leukotriene receptor antagonist. NZ-107 can inhibit anaphylaxis reaction. NZ-107 can be used for the researches of inflammation and immunology.

NSC 303861 is an L-glutamine antagonist. NSC 303861 selectively inhibits glutamine dependent enzymes in purine nucleotide synthesis without affecting pyrimidine synthase. NSC 303861 has significant cytotoxicity against liver cancer 3924A cells (LC50 = 6 µM). NSC 303861 can be used for cancer research.