Novel compounds containing a polyiodinated aromatic or heteroaromatic residue and their chelate complexes with ions of metal elements with atomic number from 20 to 31, 39, from 42 to 44, 49 and from 57 to 83, and their salts with physiologically tolerable organic and inorganic bases are useful contrast agents for preparation of diagnostic formulations to obtain images of organs and/or tissues of human and animal body through the use of nuclear magnetic resonance or X-rays or the combination of both nuclear magnetic resonance and X-rays.
含有多
碘芳香或杂芳香残基的新化合物及其与原子序数为20至31、39、42至44、49和57至83的
金属元素离子的螯合物配合物,以及它们与生理耐受的有机和
无机碱盐是有用的对比剂,用于制备诊断制剂,通过核磁共振或X射线或核磁共振和X射线的组合来获得人体和动物体内器官和/或组织的影像。