1-Amino-2-(sodiooxysulfonyl)-4-(3-methoxyphenylamino)-9,10-anthraquinone

sodium 1-amino-9,10-dihydro-4-[(3-methoxyphenyl)amino]-9,10-dioxoanthracene-2-sulphonate

1-Amino-9,10-dihydro-4-[(3-methoxyphenyl)amino]-9,10-dioxo-2-anthracenesulfonic acid sodium salt