Pirenperona [INN-Spanish], Pirenperone, R-47,465, 4H-Pyrido(1,2-a)pyrimidin-4-one,3-(2-(4-(4-fluorobenzoyl)-1-piperidinyl)ethyl)-2-methyl, 1-[2-(2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl]-4-(4-fluorobenzoyl)piperidine, Pirenperonum [INN-Latin], EINECS 278-213-5, 3-<2-(4-(4-fluorobenzoyl)piperidino)-ethyl>-2-methyl-4H-pyrido<1,2-a>-pyrimidin-4-one, 3-[2-[4-(4-fluorobenzoyl)-1-piperidinyl]-ethyl]-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one