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