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