Cationic cyanato and thiocyanato complexes useful as radiodiagno

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant...

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424 9, 568 2, 568 8, 568 13, 568 14, 568 15, 568 16, 568 17, 534 14, A61K 4300, A61K 4900

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045267766

ABSTRACT:
An hepatobiliary imaging agent is disclosed which is a cationic complex of Tc-99m, a cyanate or thiocyanate ion, and a mono or polydentate organic ligand having one or more donor atoms, each with a free-electron pair available for accepting a proton or for complexing with Tc-99m to form a cationic complex. These complexes can provide images of the hepatobiliary transit in as little as ten minutes.

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