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