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