3-Fluoro-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 2-fluoro-5-iodo-6-(trifluoromethoxy)pyridine-3-carboxylate
3-Fluoro-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Fluoro-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde