2-Fluoro-3-(fluoromethyl)-5-iodo-4-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-cyano-2-(trifluoromethoxy)pyridine-6-acetonitrile
2-(Bromomethyl)-6-cyano-3-(trifluoromethoxy)pyridine-4-acetic acid
3-(Chloromethyl)-4-cyano-2-(trifluoromethoxy)pyridine-6-acetonitrile