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