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