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