Methyl 4-fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 6-cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
2-(Chloromethyl)-5-fluoro-3-hydroxy-6-(trifluoromethoxy)pyridine
Methyl 4-fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate