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