71735-57-4 Cuprate(3-), (4-(hydroxy-kappaO)-3-((2-(hydroxy-kappaO)-5-sulfophenyl)azo-kappaN1)-5-((2,5,6-trichloro-4-pyrimidinyl)amino)-2,7-naphthalenedisulfonato(5-))-, trihydrogen EINECS 275-956-7 Trihydrogen (4-hydroxy-3-((2-hydroxy-5-sulphophenyl)azo)-5-((2,5,6-trichloro-4-pyrimidinyl)amino)naphthalene-2,7-disulphonato(5-))cuprate(3-)