1-(2-Methoxy-4-amino-5-chloro-benzamido)-4-piperonyl-piperazine maleate 1-(4-Amino-5-chloro-2-methoxybenzoyl)-4-(1,3-benzodioxol-5-ylmethyl)-piperazine maleate 57083-90-6 Piperazine, 1-(4-amino-5-chloro-2-methoxybenzoyl)-4-(1,3-benzodioxol-5-ylmethyl)-, (Z)-2-butenedioate