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