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