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