Cuprate(3-), (5-(2-(4-(2-(3-chloro-2-hydroxy-5-sulfophenyl)diazenyl)-3-hydroxyphenyl)oxidodiazenyl)-2-(2-(4-nitro-2-sulfophenyl)ethenyl)benzenesulfonato(5-))-, sodium (1:3);Cuprate(3-), (5-((4-((3-chloro-2-hydroxy-5-sulfophenyl)azo)-3-hydroxyphenyl)azoxy)-2-(2-(4-nitro-2-sulfophenyl)ethenyl)benzenesulfonato(5-))-, trisodium;Trisodium (5-((4-((3-chloro-2-hydroxy-5-sulphophenyl)azo)-3-hydroxyphenyl)azoxy)-2-(2-(4-nitro-2-sulphophenyl)vinyl)benzenesulphonato(5-))cuprate(3-)
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