3-Cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
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