Clozapine N-oxide is the major metabolite of Clozapine and is blood-brain barrier permeable. Clozapine N-oxide is an agonist of DREADDs and activates the DREADD receptors hM3Dq and hM4Di. Clozapine N-oxide is also a dopamine antagonist and selective muscarinic M4 receptor agonist.

Tabernanthalog (TBG) is a 5-HT2A agonist. In rodents,Tabernanthalog has been found to promote structural neuroplasticity, reduce alcohol-seeking and heroin-seeking behavior, and produce antidepressant effects.

5-HT1A modulator 1 exhibits high affinities for the 5-HT1A, α1-adrenergic receptor, and D2 receptor (IC50s = 2 nM, 10 nM, and 40 nM).

Nelotanserin (APD125) is a potent 5-HT2A inverse agonist(IC50 : 1.7 nM), a moderately potent 5-HT2C partial inverse agonist t(IC50 :79 nM )and a weak 5-HT2B inverse agonistt(IC50 : 791 nM).

Serotonin (5-hydroxytryptamine) is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin regulates the nervous system, digestive system and cardiovascular system.

SB 243213 is an orally available and selective 5-HT2C receptor antagonist.SB 243213 has anxiolytic and antidepressant activity and is used in schizophrenia and movement disorders.

PRX933 hydrochloride (GW876167 hydrochloride) is an agonist of 5-HT2C receptor and can be used in studies about hypertension acute treatment.

1. gamma-Mangostin (Normangostin) as a preventive agent of the metabolic syndrome. 2. Gamma-Mangostin has free radical scavenging activity, and antiproliferative and apoptotic activity in HepG2 cells. 3. Gamma-Mangostin could serve as a micronutrient for colon cancer prevention and is a potential lead compound for the development of anti-colon cancer agents. 4. Gamma-Mangostin may acts as an antihypertensive agent , by causing vasorelaxation which is mediated via the NO-cGMP pathway.

Hymenidin, an alkaloid isolated from the Okinawan sponge Hymeniacidon sp. is a 5-hydroxytryptaminergic receptor antagonist and voltage-gated potassium channel inhibitor with potential antiprotozoal effects.It selectively binds to FOXO1 DNA and reduces depolarization-induced elevation of cellular calcium.

Tabernanthalog fumarate （TBG fumarate） is a 5-HT2A agonist that promotes neuronal growth and reduces alcohol consumption in mice, producing antidepressant-like effects.Tabernanthalog noncompetitively inhibits nAChR α7 and α9α10, as well as GABA A R and Ca V 2.2 channels.

Pancopride(LAS 30451) is a novel, orally available, long-acting, selective 5-HT3 receptor antagonist that blocks nitrogen mustard and dacarbazine-induced vomiting.

(4E)-SUN9221 is a potent dual α1-adrenergic receptor and 5-HT2 receptor antagonist, exhibiting antihypertensive and antiplatelet aggregation activities in hypertensive rats.

Cianopramine (Ro 112465) is a selective 5-hydroxytryptamine uptake inhibitor and a tricyclic antidepressant used in the study of neurological disorders.

Volinanserin (MDL100907) (MDL 100907) is a potent and selective antagonist of the serotonin receptor 5-HT2 (Ki: 0.36 nM) and shows 300-fold selectivity for 5-HT2 receptor over 5-HT1c, alpha-1 adrenergic and sigma receptors.

lumateperone Tosylate (ITI-007) is a 5-HT2A receptor antagonist (Ki: 0.54 nM), a SERT blocker (Ki: 61 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki: 32 nM).

Aplindore Fumarate (DAB-452) is a small molecule dopamine D2 receptor partial agonist.Aplindore Fumarate exhibits high affinity for dopamine D2 and D3 receptors, and low affinity for dopamine D4, 5-hydroxytryptophan (5-HT2), and α1-adrenergic receptors.Aplindore Fumarate is used in the study of Parkinson's disease and schizophrenia. Fumarate can be used to study Parkinson's and schizophrenia.

E-3620 is a novel 5-HT3 receptor antagonist that inhibits cisplatin-induced vomiting in beagles. E-3620 can be used to study dyskinesia, gastrointestinal dyskinesia, psoriasis and psoriasis.

Escitalopram (Seroplex) is a furancarbonitrile that is one of the SEROTONIN UPTAKE INHIBITORS used as an antidepressant. The drug is also effective in reducing ethanol uptake in alcoholics and is used in depressed patients who also suffer from tardive dyskinesia in preference to tricyclic antidepressants, which aggravate this condition.

Cannabigerol is a high affinity α±2-adrenergic receptor agonist, moderate affinity 5-HT1A receptor antagonist, and low affinity CB1 receptor antagonist ; also binds to the CB2 receptor; it can relieve interocular pressure, which may be of benefit in the treatment of glaucoma.

Faxeladol, a potent adrenergic absorption inhibitor and serotonin reuptake inhibitor, is a small-molecule Opioid receptor agonist that can be used to study neurological disorders.

Renzapride (BRL 24924) is a mixed 5-hydroxytryptamine type 4 (5-HT4) agonist and 5-HT3 receptor antagonist.Renzapride can be used in the study of constipation-predominant irritable bowel syndrome (C-IBS).

Homoeriodictyol, a naturally occurring, bitter-masking flavanone, as a promising agent to increase appetite and food intake. The flavanone homoeriodictyol can increase SGLT-1-mediated glucose uptake but decrease serotonin release in differentiated Caco-2 cells.

Pimavanserin tartrate is a potent 5-HT 2A receptor inverse agonist used to treat Parkinson's disease-related psychosis, with the most potent inhibitory activity on the NFAT signaling pathway.

Ebalzotan (NAE 086) is a 5-HT1A receptor agonist that can be used to study depression.