4-(Chloromethyl)-2-(difluoromethyl)pyridine-5-carboxamide
2-(Chloromethyl)-5-(difluoromethyl)pyridine-4-carboxamide
2-(Bromomethyl)-6-(difluoromethyl)pyridine-4-carboxamide
2-(Bromomethyl)-5-(difluoromethyl)pyridine-4-carboxamide
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