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