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