(E)-1-Cinnamyl-4-((4-hydroxy-4-phenylpiperidino)acetyl)piperazine hydrochloride 82387-59-5 Piperazine, 1-((4-hydroxy-4-phenyl-1-piperidinyl)acetyl)-4-(3-phenyl-2-propenyl)-, monohydrochloride, (E)-