1-(3-(4-(Diphenylmethyl)-1-piperazinyl)propyl)-2-piperidinone ethanedioate (1:2) 109758-24-9 2-Piperidinone, 1-(3-(4-(diphenylmethyl)-1-piperazinyl)propyl)-, ethanedioate (1:2) M.G. 16230