Synonyms: ar,ar'-((9,10-Dihydro-9,10-dioxo-1,4-anthrylene)bis(iminopropylene))bis(alpha-benzamidotoluenesulphonic) acid, sodium salt;Benzenesulfonic acid, ar,ar'-((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)bis(imino(1-methyl-2,1-ethanediyl)))bis(ar-((benzoylamino)methyl)-, sodium salt