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