| abstract |
This invention relates to N-alkyl peptide chelating agents, their metal complexes with radionuclides, processes in their preparation and radiopharmaceutical compositions containing these compounds. The invention further relates to radiopharmaceuticals containing these chelates in metal complexed form, diagnostic sets with them, wherein the chelate may be in non-complexed form and complexed by the addition of either technetium or rhenium ions, as well as the use of such preparations for diagnostic and therapeutic purposes. |