Methyl 3-fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 2-fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-5-acetate
3-(Bromomethyl)-4-fluoro-6-iodo-2-(trifluoromethoxy)pyridine