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