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