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