2-Chloro-3-(2,5-dichlorophenyl)-5-nitropyridine
5-Chloro-2-(2,4-dichlorophenyl)-3-nitropyridine
3,5-Bis(2,3-dichlorophenyl)-4-nitropyridine
2,4-Bis(3,5-dichlorophenyl)-3-nitropyridine
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