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