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