2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((2-methylphenyl)amino)-9,10-dioxo-, monosodium salt 2-Anthraquinonesulfonic acid, 1-amino-4-((2-methylphenyl)amino)-, sodium salt 25492-67-5 EINECS 247-028-1 Sodium 1-amino-9,10-dihydro-9,10-dioxo-4-o-toluidinoanthracene-2-sulphonate