3,3'-Dimethoxybenzidine monohydrochloride

Benzidine, 3,3'-dimethoxy-, dihydrochloride

4-(4-amino-3-methoxy-phenyl)-2-methoxy-aniline dihydrochloride

(1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy-, monohydrochloride