3-Cyano-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 3-cyano-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-cyano-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate