Methyl 4-chloro-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-cyano-4-fluoro-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-cyano-2-fluoro-6-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate