2-Chloro-5-(2,5-dichlorophenyl)-3-nitropyridine
4-Chloro-3-(2,3-dichlorophenyl)-5-nitropyridine
2,6-Bis(2,3-dichlorophenyl)-4-nitropyridine
6-(2,3-Dichlorophenyl)-2-methoxy-3-nitropyridine
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