9,10-diketoanthracene-2,7-disulfonic acid, 9,10-ANTHRAQUINONE-2,7-DISULFONIC ACID, 2,7-Anthracenedisulfonic acid, 9,10-dihydro-9,10-dioxo-, 9,10-Dihydro-9,10-dioxo-2,7-anthracenedisulfonic acid, 9,10-dioxo-9,10-dihydro-anthracene-2,7-disulfonic acid, 2,7-Disulfoanthraquinone, 9,10-Dihydro-9,10-dioxoanthracene-2,7-disulfonic acid, 9,10-Dioxo-2,7-anthracenedisulfonic acid, 9,10-dihydro-9,10-dioxo-7-anthracenedisulfonicacid, 9,10-Dioxo-9,10-dihydro-anthracen-2,7-disulfonsaeure, 9,10-Dioxoanthracene-2,7-disulfonic acid, 9,10-dioxoanthracene-2,7-disulphonic acid, Anthrachinon-disulfonsaeure-(2,7)