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