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