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