2,7-Naphthalenedisulfonic acid, 5-((4-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)benzoyl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)-, sodium salt 5-((4-((5-Chloro-2,6-difluoropyrimidin-4-yl)amino)benzoyl)amino)-4-hydroxy-3-((2-sulphophenyl)azo)naphthalene-2,7-disulphonic acid, sodium salt 83399-98-8 EINECS 280-412-7