2-Fluoro-4-hydroxy-5-(trifluoromethoxy)pyridine-3-acetonitrile
2-Fluoro-3-hydroxy-6-(trifluoromethoxy)pyridine-5-acetonitrile
2-(Aminomethyl)-5-chloro-6-(trifluoromethoxy)pyridine-3-acetic acid
5-(Bromomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylic acid