Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonate

1-amino-4-(4-aminoanilino)-9,10-dioxoanthracene-2-sulfonic acid sodium salt ; sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate ; 1-amino-2-(sodiooxysulfonyl)-4-(4-aminophenylamino)-9,10-anthraquinone ; 1-amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt