Synonyms: 4,4'-bis[(4-methylphenyl)amino]-1,1'-binaphthalene-5,5'-disulfonic acid;69227-89-0;AC1Q6WSV;AC1L4TD6;AR-1F7788;Bis(8-4-toluidino-1-naphthalenesulfonate);A839958;(1,1'-Binaphthalene)-5,5'-disulfonic acid, 4,4'-bis((4-methylphenyl)amino)-;8-(4-methylanilino)-5-[4-(4-methylanilino)-5-sulfo-1-naphthalenyl]-1-naphthalenesulfonic acid;8-(4-methylanilino)-5-[4-(4-methylanilino)-5-sulfonaphthalen-1-yl]naphthalene-1-sulfonic acid;8-[(4-methylphenyl)amino]-5-[4-[(4-methylphenyl)amino]-5-sulfo-naphthalen-1-yl]naphthalene-1-sulfonic acid