6-Bromo-4-cyano-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Bromo-3-chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine
2-Bromo-3-cyano-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Bromo-3-(chloromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine