Chromate(3-),bis[2-(hydroxy-kO)-3-[[2-(hydroxy-kO)-1-naphthalenyl]azo-kN1]-5-nitrobenzenesulfonato(3-)]-,trisodium (9CI); Chromate(3-),bis[2-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-5-nitrobenzenesulfonato(3-)]-,trisodium; Benzenesulfonic acid, 2-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-5-nitro-,chromium complex
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