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