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