2-Cyano-5-fluoro-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
6-Cyano-4-fluoro-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
6-Cyano-4-fluoro-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-6-carbonyl chloride