2,3-Bis((4-sulfophenyl)oxy)-1,4-diaminoanthracenedione, disodium salt 6408-73-7 Benzenesulfonic acid, 4,4'-((1,4-diamino-9,10-dihydro-9,10-dioxo-2,3-anthracenediyl)bis(oxy))bis-, disodium salt Disodium 4,4'-((1,4-diamino-9,10-dihydro-9,10-dioxo-2,3-anthrylene)bis(oxy))bis(benzenesulphonate) EINECS 229-067-6