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