1-(3,4-Dimethoxybenzyl)-4-(3-(6-chloropyridazinyl))piperazine 5-25-10-00017 (Beilstein Handbook Reference) 63978-33-6 BRN 0573291 Piperazine, 4-(3-(6-chloropyridazinyl))-1-(3,4-dimethoxybenzyl)-