disodium 5-[[4-[[4-[[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulphonato-1-anthryl)amino]phenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]phenyl]azo]salicylate

5-[[4-[[4-[[4-[[(4-Amino-9,10-dihydro-9,10-dioxo-3-sulfoanthracen)-1-yl]amino]phenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]phenyl]azo]-2-hydroxybenzoic acid disodium salt