4-Fluoro-3-iodo-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Fluoro-6-iodo-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Cyano-3-methyl-6-(trifluoromethoxy)pyridine-2-acetonitrile
2-Fluoro-6-methyl-5-(trifluoromethoxy)pyridine-3-acetonitrile