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