1-(Diphenylmethyl)-4-(2-propenyl)piperazine 1-(Diphenylmethyl)-4-(2-propenyl)piperazine, dihydrochloride 41332-10-9 5-23-01-00233 (Beilstein Handbook Reference) 70713-45-0 Aligeron BRN 0543456 Piperazine, 1-(diphenylmethyl)-4-(2-propenyl)-