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