tetrasodium 5-benzamido-3-(5-(4-fluoro-6-(1-sulphonato-2-naphthylamino)-1,3,5-triazin-2-ylamino)-2-sulphonatophenylazo)-4-hydroxynaphthalene-2,7- disulphonate

5-Benzoylamino-3-[5-[4-fluoro-6-(1-sodiosulfo-2-naphtylamino)-1,3,5-triazin-2-ylamino]-2-sodiosulfophenylazo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt