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