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