2-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 2-cyano-6-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate
3-Fluoro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 2-cyano-4-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate