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