5H-Thiazolo(3,2-a)pyrimidin-5-one, 6-(2-(4-bis(4-fluorophenyl)methylene)-1-piperidinyl)ethyl)-7-methyl- 6-(2-(4-(Bis(p-fluorophenyl)methylene)-piperidino)ethyl)-7-methyl-5H-thiazolo-(3,2-a)pyrimidin-5-one 87051-43-2 R 55,667 RITANSERIN Ritanserin [USAN:BAN:INN] Ritanserina [Spanish] Ritanserine [French] Ritanserinum [Latin] Tiserton