2,7-Naphthalenedisulfonic acid, 4-amino-3-((5-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-sulfophenyl)azo)-6-((2,5-disulfophenyl)azo)-5-hydroxy-, potassium sodium salt 4-Amino-3-((5-((5-chloro-2,4-difluoro-6-pyrimidyl)amino)-2-sulfophenyl)azo)-6-((2,5-disulfophenyl)azo)-5-hydroxy-2,7-naphthalenedisulfonic acid, sodium potassium salt 4-Amino-3-((5-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-sulphophenyl)azo)-6-((2,5-disulphophenyl)azo)-5-hydroxynaphthalene-2,7-disulphonic acid, potassium sodium salt 72828-70-7 EINECS 276-883-3