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