Ethyl 2-fluoro-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
4-Hydroxy-5-methyl-2-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 5-fluoro-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-fluoro-5-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate