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