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