3-Chloro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-Chloro-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-acetonitrile
3-Chloro-4-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid