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