Ethyl 4-fluoro-6-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Fluoro-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 2-fluoro-3-nitro-6-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-fluoro-6-nitro-2-(trifluoromethoxy)pyridine-4-acetate