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