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