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