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