1-(3,4-Methylenedioxybenzyl)piperazine 1-Piperonylpiperazine 32231-06-4 38063-96-6 5-23-02-00526 (Beilstein Handbook Reference) BRN 0885038 EINECS 250-968-5 Piperazine, 1-(3,4-methylenedioxybenzyl)-