6-Fluoro-4-iodo-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-Fluoro-6-hydroxy-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
5-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
6-Fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carbonyl chloride