1-(3,4-Dimethoxyphenyl)-1-(3-amino-4-pyridyl)piperazine 1-(3-Amino-4-pyridyl)-1-(3,4-dimethoxyphenyl)piperazine 14549-68-9 5-23-03-00096 (Beilstein Handbook Reference) BRN 0626159 Piperazine, 1-(3-amino-4-pyridyl)-1-(3,4-dimethoxyphenyl)-