Ethyl 3-(chloromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-2-acetate
Ethyl 2-(chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 3-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-6-acetate