5-Fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 4-fluoro-5-methyl-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 5-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
4-Fluoro-5-hydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile