4-(Chloromethyl)-2-(difluoromethyl)pyridine-6-carboxamide
5-(Chloromethyl)-3-(difluoromethyl)pyridine-2-carboxamide
5-(Bromomethyl)-2-(difluoromethyl)pyridine-3-carboxamide
4-(Bromomethyl)-2-(difluoromethyl)pyridine-3-carboxamide
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