5-Nitro-2-(2,3,6-trichlorophenyl)pyridine
2-(2,3-Difluorophenyl)-6-methoxy-3-nitropyridine
4-Chloro-3-(2,3-difluorophenyl)-5-nitropyridine
2-Chloro-3-(2,3-difluorophenyl)-5-nitropyridine
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