1-Methyl-4-(3-(3,4,5-trimethoxybenzoyl)propyl)piperazine dihydrochloride 16785-18-5 4-(4-Methylpiperazinyl)-3',4',5'-trimethoxybutyrophenone dihydrochloride BUTYROPHENONE, 4-(4-METHYLPIPERAZINYL)-3',4',5'-TRIMETHOXY-, DIHYDROCHLORIDE Piperazine, 1-methyl-4-(3-(3,4,5-trimethoxybenzoyl)propyl)-, dihydrochloride