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