Ethyl 3-fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
3-Fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Bromomethyl)-6-fluoro-5-iodo-3-(trifluoromethoxy)pyridine
4-Fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride