Methyl 2-(bromomethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-(bromomethyl)-6-iodo-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 6-(bromomethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-(chloromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-5-carboxylate