5-Cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
4-Cyano-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Fluoro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxaldehyde
4-Cyano-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid