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