68039-61-2 Cuprate(3-), (5-amino-4-(hydroxy-kappaO)-3-((2-(hydroxy-kappaO)-4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo-kappaN1)-2,7-naphthalenedisulfonato(5-))-, trihydrogen EINECS 268-269-9 Trihydrogen (5-amino-4-hydroxy-3-((2-hydroxy-4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2,7-disulphonato(5-))cuprate(3-)