Ethyl 5-cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 6-cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
5-Fluoro-4-methoxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 2-cyano-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate