Ethyl 3-cyano-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 5-fluoro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate
Methyl 6-fluoro-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-fluoro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate