Macrocyclic chelating agents, optionally possessing more than one macrocyclic ring having at least two peptide linkages within the macrocyclic skeleton. The chelating agents are used for the preparation of paramagnetic metal chelates for use as MRI contrast agents.
大环
螯合剂,可选地具有至少两个肽键的多个大环环,位于大环骨架内。这些
螯合剂用于制备顺磁
金属螯合物,用作MRI对比剂。