83027-61-6 Benzenesulfonic acid, ((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino)bis(ethylmethyl-, disodium salt Disodium ((9,10-dihydro-9,10-dioxo-1,4-anthrylene)diimino)bis(ethyltoluenesulphonate) EINECS 280-163-4