;C.I. Basic Brown 1, dihydrochloride;Bismark Brown Y;4,4'-[benzene-1,3-diyldi(E)diazene-2,1-diyl]dibenzene-1,3-diamine;4,4'-[(4-methylbenzene-1,3-diyl)di(E)diazene-2,1-diyl]bis(5-amino-2-methylanilinium) dichloride;4,4'-[benzene-1,3-diyldi(E)diazene-2,1-diyl]dibenzene-1,3-diamine dihydrochloride;4-[(E)-{3-[(Z)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]benzene-1,3-diamine dihydrochloride;Basic Brown1;Basic Brown 1;