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