Cilansetron is an effective and selective 5-HT3 receptor antagonist that can be used for related diseases caused by colitis.

Adatanserin (WY 50324) is a mixed 5-HT1A receptor partial agonist and a 5-HT2A and 5-HT2C receptor antagonist with potential neuroprotective activity for the study of coke oven and depression.

SB 206553 是一种有效的选择性 5-HT2B/5-HT2C 受体拮抗剂，对大鼠 5-HT2B 的 pA2 为 8.89，对人 5-HT2C 的 pKi 为 7.92，其选择性是其他 5-HT 受体亚型的 80 倍以上。