3-Hydroxy-5-nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
6-Fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetonitrile
5-(Chloromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
3-Hydroxy-4-nitro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride