3-Fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-Fluoro-6-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile