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