3-Bromo-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Bromo-5-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Bromo-5-iodo-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-Bromo-6-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde