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