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