4-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
Ethyl 2-(chloromethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxaldehyde