3-Bromo-2-nitro-4-(trifluoromethoxy)pyridine-5-acetic acid
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