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