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