2-Chloro-3-cyano-5-(difluoromethyl)pyridine-6-carboxamide
2-Chloro-3-cyano-4-(difluoromethyl)pyridine-6-carboxamide
2-Chloro-3-cyano-4-(difluoromethyl)pyridine-5-carboxamide
3-Bromo-6-(difluoromethyl)-2-nitropyridine-5-carboxamide
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