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