Radionuclide chelating compounds are provided for conjugation to targetting molecules such as proteins, peptides or antibodies. The resulting labelled targetting molecules may be used in diagnosis and therapy. ##STR1##
放射性核素螯合化合物可用于与靶向分子如蛋白质、
多肽或
抗体结合。所得的标记靶向分子可用于诊断和治疗。 ##STR1##