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