6-Cyano-4-(difluoromethyl)-2-hydroxypyridine-3-carboxamide
6-Chloro-4-(difluoromethyl)-3-methylpyridine-2-carboxamide
4-Cyano-3-(difluoromethyl)-5-fluoropyridine-2-carboxamide
2-Chloro-3-(difluoromethyl)-4-methylpyridine-5-carboxamide
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