Synonyms: Benzenesulfonic acid, ((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino(3-methyl-3,1-propanediyl)))bis-, sodium salt (1:2);(9,10-Dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino(3-methyl-3,1-propanediyl))bis(benzenesulfonic acid), disodium salt;Benzenesulfonic acid, ((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino(3-methyl-3,1-propanediyl)))bis-, disodium salt;Disodium ((9,10-dihydro-9,10-dioxo-1,4-anthrylene)bis(imino(3-methylpropane-1,3-diyl)))bis(benzenesulphonate);disodium (1E,4E)-1,4-bis({4-[(phenylsulfonyl)oxy]butan-2-yl}imino)-1,4-dihydroanthracene-9,10-diolate