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