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