Methyl 2-fluoro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
5-Cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Cyano-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
3-Cyano-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid