PEPTIDES

摘要

of the Invention Somatostatin peptides bearing a chelating group selected from a bifunctional N4-chelating group particularly suitable for Tc, Rh, Cu, Co or Re-labelling, and a bifunctional polyaminopolycarboxylic acid chelating group are complexed with a .alpha.-, .beta.-, .gamma.- or positron-emitting nuclide or a nuclide with Auger-e--cascades and are useful as radiopharmaceuticals.