Methyl 5-fluoro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Hydroxy-5-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Hydroxy-6-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride