2-Naphthalenesulfonic acid, 7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-4-hydroxy-, monosodium salt 7-((5-Chloro-2,6-difluoropyrimidin-4-yl)amino)-4-hydroxynaphthalene-2-sulfonic acid, sodium salt 70714-71-5 EINECS 274-802-6 Sodium 7-((5-chloro-2,6-difluoropyrimidin-4-yl)amino)-4-hydroxynaphthalene-2-sulphonate