Ethyl 4-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-(bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-fluoro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate
Ethyl 4-(difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-2-acetate