2-Anthracenesulfonic acid, 1-amino-4-((4-(benzoylamino)phenyl)amino)-9,10-dihydro-9,10-dioxo-, monosodium salt 70571-79-8 EINECS 274-674-1 Sodium 1-amino-4-((4-(benzoylamino)phenyl)amino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate