3-Hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-5-carbonyl chloride
3-(Bromomethyl)-2-hydroxy-6-nitro-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-carboxaldehyde