1-Amino-4-(4-aminoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid 2-Anthracenesulfonic acid, 1-amino-4-((4-aminophenyl)amino)-9,10-dihydro-9,10-dioxo- 6222-65-7 EINECS 228-308-2