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