2-Fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
6-Fluoro-4-iodo-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Fluoro-2-hydroxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
6-Cyano-3-(fluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine