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