Heliosupine N-oxide, Heliosupin metabolite, inhibits muscarinic acetylcholine receptor (mAChR) with the IC50 of 350 μM. Heliosupine N-oxide is a pyrrolizidine alkaloid (PA).

VU0455691 is a potent, selective orthosteric M1 mAChR antagonist (pIC50=6.64; IC50=0.23 µM for hM1).

BAY-u 9773 is a non-selective antagonist of the CysLT receptors (cysteinyl leukotrienes receptors) with about the same IC50 for CysLT1 and CysLT2. BAY-u9773 is used for the inhibition of LT responses.

REV 5901 is a competitive and orally active antagonist of leukotriene receptor, with a Ki of 0.7 μM. REV 5901 is also a 5-lipoxygenase inhibitor. REV 5901 can be used for the research of asthma in which leukotriene release be involved.

Roxatidine is an active metabolite of Roxatidine acetate hydrochloride, is a histamine H2-receptor antagonist. Roxatidine, an anti-ulcer agent, suppresses histamine release (thus inhibiting proton secretion) and inhibits the production of VEGF-1, an important marker of inflammation and angiogenesis. Anti-allergic inflammatory effect.

BAY 1214784 is a potent, selective, and orally active antagonist of the human gonadotropin-releasing hormone receptor (hGnRH-R). BAY 1214784 is a spiroindoline derivative compound. BAY 1214784 effectively lowers plasma luteinizing hormone levels by up to 49%, at the same time being associated with low pharmacokinetic variability and good tolerability. BAY 1214784 has the potential for the research of uterine fibroids.

GLP-1R agonist 6 is a potent GLP-1R agonist with an EC50 of 0.15 nM for human GLP-1R (WO2021249492A1, compound 005A or 005B).

GLP-1R agonist 5 is a potent GLP-1R agonist with an EC50 of <10 nM (WO2021259309A1, compound 35).

GLP-1R agonist 7 is a potent GLP-1R agonist with an EC50 of 0.67 µM (WO2021244645A1, compound WXA001).

GLP-1R agonist 8 is a potent GLP-1R agonist with an EC50 of < 2 nM (WO2021219019A1, compound 129a).

BMS-193884 is a selective, orally active, and competitive ETA antagonist with 10000-fold greater affinity for the human ETA receptor (Ki=1.4 nM) than for the ETB receptor.

Dopamine D3 receptor ligand is a potent, selective and high affinity ligand for Dopamine D3 receptor with 89-fold selective for D3 over D2 (D3 Ki= 8 nM, D2 Ki= 715 nM).

Ropinirole (SKF 101468) is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole has no affinity for the D1 receptors. Ropinirole has the potential for Parkinson's disease.

Nemonapride is a highly potent dopamine D2 receptor antagonist with a Ki of 0.06 nM. Nemonapride also activates 5-HT1A receptor with an IC50 of 34 nM. Nemonapride is an antipsychotic that readily passes through the blood brain barrier and exhibits potent neuroleptic effects in animals.

CB65 is a potent and high affinity CB2 selective agonist with a Ki value of 3.3 nM. CB65 exhibits a Ki of >1000 nM for CB1 receptor.

Palmitoyl serinol (N-Palmitoyl serinol) is an analog of the endocannabinoid N-palmitoyl ethanolamine (PEA). Palmitoyl serinol improves the epidermal permeability barrier in both normal and inflamed skin.

Metazosin (Kenosin) is a potent α1 adrenoceptor blocker. Metazosin is an antihypertensive agent lowering blood pressure.

A55453 is a prazosin analogue and a potent α1-adrenergic antagonist. 125I-A55453 is a high-affinity alpha 1-adrenergic receptor probe.

Bevantolol is a selective β-1 adrenoceptor antagonist. Bevantolol can be used for the research of angina pectoris and hypertension.

Prazobind (SZL 49), a prazosin analog, is a potent alpha 1-adrenoceptor blocker. Prazobind competes for alpha 1-adrenoceptor binding sites with a similar potency (IC50=1 nM) in tissues enriched in both the alpha 1A (hippocampus) and alpha 1B (liver) subtypes.

A1AR antagonist 1 (compound 18g) is a potent A1 adenosine receptor (AR) antagonist with Kis of 2.08, 6.91, and 31.2 nM for hA1, hA2A and hA2B, respectively.

PSB36 is a potent and selective antagonist of adenosine A1 receptor, with Kis 0.12 nM, 187 nM, 552 nM, 2300 nM, and 6500 nM for rA1, hA2B, rA2A, hA3 and rA3 receptors respectively. PSB36 can be used for the research of hyperalgesia.

VUF-5574 is a selective antagonist of adenosine A3 receptor with a Ki of 4.03 nM for the recombinant human receptor.

Adenosine receptor antagonist 2 is an orally active A2a/A2b adenosine receptor antagonist with IC50s of 1 nM and 3 nM, respectively. Adenosine receptor antagonist 2 has anti-tumor activity.

A2A/A1 AR antagonist-1 (compound 1a) is dual potent A2A/A1 AR antagonist with Kis of 5.58 and 24.2 nM, respectively. A2A/A1 AR antagonist-1 has the potential for the research of ischemic stroke.

IHCH-3064 is a dual-acting compounds targeting Adenosine A2A Receptor and HDAC. IHCH-3064 exhibits potent binding to A2AR (Ki=2.2 nM) and selective inhibition of HDAC1 (IC50=80.2 nM), with good antiproliferative activity against tumor cell lines in vitro. IHCH-3064 is a tumor immunotherapeutic agent.

Adenosine receptor antagonist 3 is a potent antagonist of adenosine receptor. Adenosine receptor antagonist 3 has the potential for the research of cancer disease (extracted from patent WO2019233994A1, compound 1).

MRS1334 is a potent and selective human adenosine A3 receptor antagonist with Kis of 2.69 nM, >100 nM, >100 nM for hA3, rA1, rA2A, respectively. MRS1334 blocks the protective effect of Cl-IB-MECA leading to significant bradycardia and elevated ST segment.

A1AR antagonist 2 (compound 18h) is a potent A1 adenosine receptor (AR) antagonist with Kis of 1.49, 10.2, and 50.1 nM for hA1, hA2A and hA2B, respectively.

5-HT6/5-HT2AR antagonist-1 is a potent dual 5-HT6/5-HT2AR antagonist with Ki values of 11 nM and 39 nM, respectively.