2-(5-Chloro-2,4-difluoro-6-pyrimidylamino)-6-(4-methoxy-2-sulfophenylazo)-5-hydroxy-7-naphthalenesulfonic acid, disodium salt 2-Naphthalenesulfonic acid, 7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)-, disodium salt 68959-17-1 7-((5-Chloro-2,4-difluoro-6-pyrimidyl)amino)-3-((4-methoxy-2-sulfophenyl)azo)-4-hydroxy-2-naphthalenesulfonic acid, disodium salt 7-((5-Chloro-2,6-difluoropyrimidin-4-yl)amino)-4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)naphthalene-2-sulfonic acid, disodium salt Disodium 7-((5-chloro-2,6-difluoropyrimidin-4-yl)amino)-4-hydroxy-3-((4-methoxy-2-sulphonatophenyl)azo)naphthalene-2-sulphonate EINECS 273-401-3