3-Chloro-4-cyano-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Bromo-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-Chloro-4-cyano-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Bromo-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile