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

sodium 1-amino-4-o-methoxyanilino-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate

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