6-(Bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 4-(chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate
2-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-acetonitrile
Ethyl 3-(chloromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-2-acetate