Methyl 2-cyano-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 6-(bromomethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 6-cyano-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
5-Cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile