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