EINECS 222-133-5, 2,2'-[(4,4'-diaminobiphenyl-3,3'-diyl)bis(oxy)]diacetic acid, O,O'-(4,4'-diaminobiphenyl-3,3'-ylene)di(glycollic acid), Acetic acid,((4,4'-diamino-3,3'-biphenylylene)dioxy)di, 3,3'-dicarboxymethoxy-benzidine, (4.4'-Diamino-diphenylen-3.3')-bis-glykolsaeure, (4,4'-diamino-biphenyl-3,3'-diyldioxy)-di-acetic acid, (4,4'-Diamino-biphenyl-3,3'-diyldioxy)-di-essigsaeure