4-(Bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetonitrile
6-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-methanol
6-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Hydroxy-5-iodo-2-(trifluoromethoxy)pyridine-6-acetic acid