(4Z,4'E)-N,N'-(2,5-Dichlorobenzene-1,4-diyl)bis{4-[(2,5-dichlorophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2-carboxamide};N,N'-(2,5-Dichloro-1,4-phenylene)bis(4-((2,5-dichlorophenyl)azo)-3-hydroxynaphthalene-2-carboxamide);
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