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