| abstract |
The present invention relates to complexes of cascade polymers comprising a) complexing ligands of general formula I, b) at least 16 ions of sequence numbers 20 to 29, 39, 42, 44 or 57 to 83, c) optionally cations of inorganic and / or organic bases, amino acids or amino acid amides, and id) optionally acylated terminal amino groups which are valuable for diagnosis and therapy. Further, it relates to a process for the preparation of these substances, their use and pharmaceutical compositions containing them |