高效的选择性5-HT 2A / 1D受体拮抗剂;Potent, selective 5-HT 2A/1D receptor antagonist;Ketanserin 是一种特异性的5-HT2A 5-羟色胺受体拮抗剂,作用于大鼠和人5-HT2A,Ki为2.5 nM。;Ketanserin is a specific 5-HT2A serotonin receptor antagonist with Ki of 2.5 nM for rat and human 5-HT2A, used as an antihypertensive drug.A selective serotonin antagonist.