1,3-Benzodioxole, 5,5'-(1,4-piperazinylene)bis(3-methyltrimethylene)di-, dihydrobromide 101975-97-7 F 246 Piperazine, 1,4-bis(1-methyl-3-(3,4-methylenedioxyphenyl)propyl)-, dihydrobromide Piperazine, 1,4-bis(3-(1,3-benzodioxol-5-yl)1-methylpropyl)-, dihydrobromide