2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-(((4-methylphenyl)sulfonyl)amino)-9,10-dioxo-, monosodium salt 64981-00-6 EINECS 265-297-3 NSC 319987 Sodium 1-amino-9,10-dihydro-4-(((4-methylphenyl)sulphonyl)amino)-9,10-dioxoanthracene-2-sulphonate