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