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