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