360770-22-5 70161-19-2 Benzenesulfonic acid, ((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino-4,1-phenyleneoxy))bis-, disodium salt Disodium ((9,10-dihydro-9,10-dioxo-1,4-anthrylene)bis(imino-4,1-phenyleneoxy))bis(benzenesulphonate) EINECS 274-355-7