3-Cyano-4-fluoro-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Chloro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid
3-Chloro-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Chloro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid