disodium 3-[[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulphonato-1-anthryl)amino]phenoxy]sulphonyl]benzoate

3-[[4-[[(4-Amino-9,10-dihydro-9,10-dioxo-3-sulfoanthracen)-1-yl]amino]phenoxy]sulfonyl]benzoic acid disodium salt

Benzoic acid, 3-[[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl) amino]phenoxy]sulfonyl]-, disodium salt