SOMATOSTATIN ANALOGS CONTAINING CHELATING GROUPS AND THEIR RADIOLABELED COMPOSITIONS

摘要

Compounds of formula I (see formula I) wherein M is a cation equivalent and A is Phe or Tyr, in free form or in salt form are useful as radiopharmaceuticals when complexed with an .alpha.- or .beta.-emitting radionuclide or a nuclide with Auger-e- -cascades.