4-Bromo-3-chloro-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
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