4-Chloro-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Fluoro-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-(Aminomethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-acetic acid
5-Fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde