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