1-(Diphenylmethyl)-4-(2-(1-piperidinylmethyl)-2-propenyl)piperazine 1-Benzhydryl-4-(2-(1-piperidinylmethyl)-2-propenyl)piperazine 113913-43-2 Piperazine, 1-(diphenylmethyl)-4-(2-(1-piperidinylmethyl)-2-propenyl)-