1-Benzyl-4-(3,4,5-trimethoxybenzoylethyl)piperazine dihydrochloride 17755-70-3 3-(4-Benzylpiperazinyl)-3',4',5'-trimethoxypropiophenone dihydrochloride Piperazine, 1-benzyl-4-(3,4,5-trimethoxybenzoylethyl)-, dihydrochloride Propiophenone, 3-(4-benzylpiperazinyl)-3',4',5'-trimethoxy-, dihydrochloride