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