2-Bromo-5-chloro-4-(difluoromethyl)pyridine-3-carboxamide
5-Amino-3-(difluoromethyl)-4-methylpyridine-2-carboxamide
5-Amino-4-(difluoromethyl)-2-iodopyridine-3-carboxamide
3-Amino-2-(difluoromethyl)-5-iodopyridine-4-carboxamide
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