1-Amino-9,10-dihydro-4-((4-methoxyphenyl)amino)-9,10-dioxo-2-anthracenesulfonic acid, sodium salt 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((4-methoxyphenyl)amino)-9,10-dioxo-, monosodium salt 63589-10-6 EINECS 264-344-5 Sodium 1-amino-4-p-anisidino-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate