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