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