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