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