2-Chloro-4-cyano-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
6-Chloro-3-cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine
3-Chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Chloro-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetonitrile