Cuprate(3-),[2-[[[(3-amino-2-hydroxy-5-sulfophenyl)azo]phenylmethyl]azo]-4-sulfobenzoato(5-)]-,trisodium; Benzoic acid,2-[[[(3-amino-2-hydroxy-5-sulfophenyl)azo]phenylmethyl]azo]-4-sulfo-, coppercomplex
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