1-(2-Pyridyl)-4-(3,4,5-trimethoxybenzoylethyl)piperazine dihydrochloride 16799-30-7 3-(4-(2-Pyridyl)piperazinyl)-3',4',5'-trimethoxypropiophenone dihydrochloride Piperazine, 1-(2-pyridyl)-4-(3,4,5-trimethoxybenzoylethyl)-, dihydrochloride Propiophenone, 3-(4-(2-pyridyl)piperazinyl)-3',4',5'-trimethoxy-, dihydrochloride