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