5-Fluoro-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Aminomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-Fluoro-5-nitro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde