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