1-hydroxy-4-nitro-9,10-dioxoanthracene-2-sulfonic acid

2-bromo-1-hydroxy-4-nitro-anthraquinone

4-[(4-氨基-3-溴-9,10-二氢-9,10-二氧代-1-蒽基)氨基]甲苯-3-磺酸

4-(9,10-dioxo-4-p-toluidino-9,10-dihydro-[1]anthrylamino)-toluene-3-sulfonic acid