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