4-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Bromo-3-fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2-Bromo-3-fluoro-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine
3-Bromo-6-(chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine