1-(p-Tolyl)-4-(3,4,5-trimethoxybenzoylethyl)piperazine hydrochloride 16785-28-7 3-(4-(p-Tolyl)piperazinyl)-3',4',5'-trimethoxypropiophenone hydrochloride Piperazine, 1-(p-tolyl)-4-(3,4,5-trimethoxybenzoylethyl)-, hydrochloride Propiophenone, 3-(4-(p-tolyl)piperazinyl)-3',4',5'-trimethoxy-, hydrochloride