1,4-Bis[1-[[6-methyl-5-(2,5-dichlorophenoxycarbonyl)phenyl]azo]-2-hydroxy-3-naphthoylamino]benzene C??? ??, ??, ??

1,4-Bis[1-[[6-methyl-5-(2,5-dichlorophenoxycarbonyl)phenyl]azo]-2-hydroxy-3-naphthoylamino]benzene ?? ?? ? ???

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1,4-Bis[1-[[6-methyl-5-(2,5-dichlorophenoxycarbonyl)phenyl]azo]-2-hydroxy-3-naphthoylamino]benzene ?? ??