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