1,3-Benzenediamine,4,4’-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-,dihydrochloride; 3-benzenediamine,4,4’-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-dihyd; abcolbrownrconc; bismarkbrownr; Basic Brown 4, Vesuvin; 2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene dihydrochloride; 1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)bis(2,1-diazenediyl)]bis[6-methyl-, hydrochloride (1:2); bismarck brown r