1-Amino-2-(sodiooxysulfonyl)-4-(4-aminophenylamino)-9,10-anthraquinone

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-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt