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