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