3-(Bromomethyl)-5-cyano-6-(trifluoromethoxy)pyridine-2-acetic acid
2-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)pyridine-6-methanol
3-Chloro-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-acetic acid
3-(Chloromethyl)-6-cyano-2-(trifluoromethoxy)pyridine-5-acetonitrile