95009-01-1 Cuprate(1-), (4-((dihydroxy((2-hydroxy-3,5-dinitrophenyl)azo)phenyl)azo)benzenesulfonato(3-))-, sodium EINECS 305-729-0 Sodium (4-((dihydroxy((2-hydroxy-3,5-dinitrophenyl)azo)phenyl)azo)benzenesulphonato(3-))cuprate(1-)