1-Amino-9,10-dihydro-4-((4-((methyl((4-methylphenyl)sulphonyl)amino)methyl)phenyl)amino)-9,10-dioxoanthracene-2-sulphonic acid 18013-23-5 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((4-((methyl((4-methylphenyl)sulfonyl)amino)methyl)phenyl)amino)-9,10-dioxo- EINECS 241-918-3