2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-(((4-methylphenyl)sulfonyl)amino)-9,10-dioxo-, monopotassium salt 63133-86-8 EINECS 263-899-0 Potassium 1-amino-9,10-dihydro-4-(((4-methylphenyl)sulphonyl)amino)-9,10-dioxoanthracene-2-sulphonate