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