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