2-Cyano-3-fluoro-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
Ethyl 5-cyano-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-cyano-2-iodo-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-cyano-5-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate