Patent ID: 7445765
Filing Date: 2008-11-04
Classification: A61K

Abstract:
1. A radiopharmaceutical for diagnostic imaging, comprising an ion of technetium-99m nitride heterocomplex, represented by following formula (1): wherein 99m Tc is a metastable nuclear isomer of technetium-99m; N is a nitrogen atom bonded to PNP is a bisphosphinoamine ligand coordinated with XY is a bidentate ligand coordinated with wherein the bisphosphinoamine ligand is bis(di(methoxypropyl)phosphinoethyl)ethoxyethylamine and the bidentate ligand is selected from the group consisting of N-ethoxyethyl-N-isopropyl dithiocarbamate, N-ethoxyethyl-N-ethyl dithiocarbamate, and -N-diethoxyethyl dithiocarbamate.