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