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