Synonyms: Pyrido[1,2-a]indol-6(7H)-one,8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-, (7R)- (9CI);Pyrido[1,2-a]indol-6(7H)-one,8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-, (R)-; (+)-FK1052;(R)-8,9-Dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]pyrido[1,2-a]indol-6(7H)-one;Fabesetron