4-Hydroxy-3-((4-((2,5-disulfophenyl)azo)-5-methyl-2-hydroxyphenyl)azo)-7-((5-chloro-2,4-difluoro-6-pyrimidyl)amino)-1,5-naphthalenedisulfonic acid, copper complex (1:1), sodium, potassium salt 72749-52-1 Cuprate(4-), (7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-3-((4-((2,5-disulfophenyl)azo)-2-hydroxy-5-methylphenyl)azo)-4-hydroxy-1,5-naphthalenedisulfonato(6-))-, potassium sodium EINECS 276-808-4