4-Hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 5-fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetate
4-Hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile