(R)-(-)-α-Methylhistamine dihydrochloride is a potent, selective and brain-penetrant agonist of H3 histamine receptor, with a Kd of 50.3 nM. (R)-(-)-α-Methylhistamine dihydrochloride can enhance memory retention, attenuates memory impairment in rats.

A6770 is an orally active, potent sphingosine 1-phosphate (S1P) lyase (S1PL) inhibitor. A6770 is phosphorylated and the phosphorylated form directly inhibits S1P lyased.A6770, a potential key metabolite of THI, induces a [3H]dhS1P increase.

Zendusortide is a sortilin binding peptide.

Heterobivalent ligand-1 (compound 26) is a heterobivalent ligand for the Adenosine A 2A-dopamine D 2 receptor heteromer (KDB1 A2AR=2.1 nM, KDB1 D2R= 0.13 nM).

(±)-Muscarine chloride is the racemate of Muscarine chloride. Muscarine is a prototype muscarinic acetylcholine receptor agonist.

CKLF1-C27, a C-terminal peptide of CKLF1, binds to CCR4 receptor and activates ERK1/2 pathway. CKLF1-C27 can abrogate the effect of CKLF1 on cells by competing for CCR4 receptor. CKLF1-C27 shows great effect on promoting proliferation on HUVECs. CKLF1-C27 has the potential for psoriasis research.

CKLF1-C27, a C-terminal peptide of CKLF1, binds to CCR4 receptor and activates ERK1/2 pathway. CKLF1-C27 can abrogate the effect of CKLF1 on cells by competing for CCR4 receptor. CKLF1-C27 shows great effect on promoting proliferation on HUVECs. CKLF1-C27 has the potential for psoriasis research.

Sumatriptan (GR 43175 free base) is an orally active 5-HT1 receptor agonist with Kis of 17 nM, 27 nM and 100 nM for 5-HT1D, 5-HT1B and 5-HT1A receptors, respectively. Sumatriptan can be used for migraine headache research.

CGS 12066 (dimaleate) dimaleate is a selective 5-HT1B receptor agonist with an IC50 of 51 nM.

RS 67333 hydrochloride is a potent and selective 5-HT4 receptor (5-HT4R) partial agonist with a pKi of 8.7 in guinea-pig striatum. RS 67333 hydrochloride exhibits lower affinities at several other receptors including 5-HT1A, 5-HT1D, 5-HT2A, 5-HT2C, dopamine D1, D2 and muscarinic M1-M3 receptors. RS 67333 hydrochloride has neuroprotective effects, and can be used for Alzheimer's disease research.

MS 245 oxalate is a potent antagonist of 5-HT6 receptor with a Ki of 2 nM.

Gentisein (NSC 329491), the major metabolite of Mangiferin, shows the most potent serotonin uptake inhibition with an IC50 value of 4.7 µM.

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.

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.

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.

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).

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.

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.

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.

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

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.

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.