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