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