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