1-(3,4-Dimethoxybenzyl)-4-(3-(6-methoxypyridazinyl))piperazine 1-(3,4-Dimethoxybenzyl)-4-phenylpiperazine methyl iodide 64011-20-7 Piperazine, 1-(3,4-dimethoxybenzyl)-4-phenyl-, methyl iodide