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