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4-Amino-6-[[4'-[[2,4-diamino-5-[[4-(acetylamino)phenyl]azo]phenyl]azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt Structure

4-Amino-6-[[4'-[[2,4-diamino-5-[[4-(acetylamino)phenyl]azo]phenyl]azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt