2-Bromo-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Chloro-6-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Chloro-5-cyano-4-hydroxy-3-(trifluoromethoxy)pyridine
4-Chloro-2-fluoro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde