2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((4-hydroxyphenyl)amino)-9,10-dioxo-, monosodium salt 2-Anthraquinonesulfonic acid, 1-amino-4-((p-hydroxyphenyl)amino)-, sodium salt 50314-37-9 EINECS 256-535-7 Sodium 1-amino-9,10-dihydro-4-((4-hydroxyphenyl)amino)-9,10-dioxoanthracene-2-sulphonate