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