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