3-Chloro-6-iodo-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-Chloro-2-iodo-6-(trifluoromethoxy)pyridine-5-acetonitrile
3-Chloro-5-cyano-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Chloro-4-cyano-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride