3,3'-Dimethylbiphenyl-4,4'-diamine;o-Tolidine;C.I. 37230;Azoic diazo component 113;DMB;Fast Dark Blue Base R;(1'-Biphenyl)-4,4'-diamine-3,3'-dimethyl-;(1,1'-biphenyl)-4,4'-diamine-3,3'-dimethyl-;2-Tolidina;2-Tolidine;3,3'-dimethyl-4,4'-biphenyldiamine;3,3'-dimethyl-[1,1'-biphenyl]-4,4'- diamine;3,3`-Dimethylbenzidine;3,3′-Dimethylbenzidine solution;3,3'-Dimethylbenzidine;2-Tolidin;3,3'-dimethyl-4,4'-diamino-biphenyl;3,3'-Dimethylbenzidine 4,4'-Bianisidine;3,3'-Tolidine;4,4'-Diamino-3,3'-dimethylbiphenyl;bianisidine;diaminotolyl;Ellms-Hauser;o-Tolidin;o-Tolidine (3,3'-Dimethylbenzidine);o-Tolidine,pract;Tolidine;ο-Tolidine;4,4′-Bianisidine