Ethyl 6-fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 2-fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-chloro-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-acetate
6-(Bromomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-acetonitrile