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