Synonyms: sodium 1-amino-9,10-dihydro-4-[(2-methoxy-5-methylphenyl)amino]-9,10-dioxoanthracene-2-sulphonate;1-Amino-9,10-dihydro-4-[(2-methoxy-5-methylphenyl)amino]-9,10-dioxo-2-anthracenesulfonic acid sodium salt;2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((2-methoxy-5-methylphenyl)amino)-9,10-dioxo-, monosodium salt;2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((2-methoxy-5-methylphenyl)amino)-9,10-dioxo-, sodium salt (1:1);2-Anthraquinonesulfonic acid, 1-amino-4-((2-methoxy-5-methylphenyl)amino)-, sodium salt;Einecs 267-996-9