Gadobenic acid (tradename MultiHance) is a complex of gadolinium with the ligand BOPTA. In the form of the diglumine salt it functions as a gadolinium-based MRI contrast medium under the trade name gadobenate dimeglumine.BOPTA is a derivative of DTPA in which one terminal carboxyl group –C(O)OH is replaced by -C–O–CH2C6H5. Thus gadobenic acid is closely related to gadopentetic acid.
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