3-Chloro-2-(difluoromethyl)-6-nitropyridine-4-carboxamide
2-Cyano-4-(difluoromethyl)-6-iodopyridine-3-carboxamide
2-Chloro-6-(difluoromethyl)-5-nitropyridine-3-carboxamide
2-Cyano-4-(difluoromethyl)-5-iodopyridine-3-carboxamide
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