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