Wiktionary
ketanserin
n. A serotonin antagonist.
Wikipedia
Ketanserin
Ketanserin ( INN, USAN, BAN) (brand name Sufrexal; former code name R41468) is a drug used clinically as an antihypertensive agent and in scientific research to study the serotonin system; specifically, the 5-HT receptor family. It was discovered at Janssen Pharmaceutica in 1980.