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