2-Anthracenesulfonic acid, 4-((3-(acetylamino)-4-methylphenyl)amino)-1-amino-9,10-dihydro-9,10-dioxo-, monosodium salt 69658-24-8 EINECS 274-064-5 Sodium 4-((3-(acetylamino)-4-methylphenyl)amino)-1-amino-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate