SB 243213 是一种口服有效的，选择性的，高亲和力的 5-HT2C 受体拮抗剂，对人 5-HT2C 受体的 pKi 为 9.37，pKb 为 9.8。SB 243213 对多种神经递质受体、酶和离子通道具有超过 100 倍的选择性。SB 243213 具有改善的抗焦虑特性，有用于精神分裂症和运动障碍的潜力。

p-MPPF dihydrochloride is a selective 5-HT antagonist that dose-dependently antagonizes hypothermia induced by 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) and can be used to study neurological diseases.

Norcisapride is a 5-hydroxytryptamine receptor 3 (5-HT3) and (5-hydroxytryptamine receptor 4 (5-HT4) dual agonist used for the treatment of gastrointestinal disorders, orofacial disorders, and otorhinolaryngologic disorders.