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