2-Naphthalenesulfonic acid, 7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)-, sodium salt 4-Hydroxy-3-((4-methoxy-2-sulfophenyl)azo)-7-((2,6-difluoro-3-chloropyrimidin-4-yl)amino)-2-naphthalenesulfonic acid, sodium salt 7-((5-Chloro-2,6-difluoro-4-pyrimidinyl)amino)-4-hydroxy-3-((4-methoxy-2-sulphophenyl)azo)naphthalene-2-sulphonic acid, sodium salt 85391-83-9 EINECS 286-839-5