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