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