4-(Bromomethyl)-2-cyano-5-(trifluoromethoxy)pyridine-3-acetonitrile
2-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
2-Chloro-5-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
3-(Bromomethyl)-5-cyano-4-(trifluoromethoxy)pyridine-2-acetonitrile