5-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
Ethyl 3-(chloromethyl)-5-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Cyano-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid