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