5-Chloro-4-(difluoromethyl)-2-nitropyridine-3-carboxamide
3-Chloro-2-(difluoromethyl)-5-nitropyridine-4-carboxamide
2-Chloro-4-(difluoromethyl)-3-nitropyridine-5-carboxamide
4-Chloro-2-(difluoromethyl)-3-methylpyridine-5-carboxamide
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