71735-64-3 Cuprate(4-), (8-(hydroxy-kappaO)-7-((2-(hydroxy-kappaO)-4-((2-methoxy-3-(4-pyrimidinylamino)-3-sulfophenyl)azo)phenyl)azo-kappaN1)-1,3,6-naphthalenetrisulfonato(6-))-, tetrasodium EINECS 275-963-5 Tetrasodium (8-hydroxy-7-((2-hydroxy-4-((2-methoxy-3-(4-pyrimidinylamino)-3-sulphophenyl)azo)phenyl)azo)naphthalene-1,3,6-trisulphonato(6-))cuprate(4-)