Methyl 4-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 4-(bromomethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
Methyl 5-(chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-(bromomethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate