tetrasodium 2-[[8-[[3-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]benzoyl]amino]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]naphthalene-1,5-disulphonate;1,5-Naphthalenedisulfonic acid, 2-[[8-[[3-[(5-chloro-2,6-difluoro-4-pyrimidinyl) amino] benzoyl] amino]-1-hydroxy-3,6-disulfo-2-naphthalenyl] azo]-, tetrasodium salt;1-[3-[(2,4-Difluoro-5-chloropyrimidin-6-yl)amino]benzoylamino]-7-[1,5-di(sodiooxysulfonyl)-2-naphtylazo]-8-hydroxynaphthalene-3,6-disulfonic acid disodium salt;1,5-Naphthalenedisulfonic acid, 2-(2-(8-((3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)benzoyl)amino)-1-hydroxy-3,6-disulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:4);Einecs 269-412-8;Tetrasodium 2-((8-((3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)benzoyl)amino)-1-hydroxy-3,6-disulphonato-2-naphthyl)azo)naphthalene-1,5-disulphonate