Methyl 6-methoxy-3-methyl-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 3-(bromomethyl)-2-iodo-4-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-methoxy-5-methyl-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 2-(bromomethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-acetate