Cuprate(2-), (7-amino-4-(hydroxy-kappaO)-3-(2-(2-(hydroxy-kappaO)-4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl-kappaN1)-2-naphthalenesulfonato(4-))-, sodium;Cuprate(2-), (7-amino-4-hydroxy-3-((2-hydroxy-4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-2-naphthalenesulfonato(4-))-, sodium
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