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