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