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