There is disclosed a diagnostic imaging agent which comprises a compound wherein at least one bifunctional ligand is chemically bonded to an amino group of amino oligosaccharide having the molecular weight of 500 to 2000 and having a reduction-treated reducing end of a sugar chain, or to an aldehyde...http://www.google.es/patents/US5863518?utm_source=gb-gplus-sharePatente US5863518 - Diagnostic imaging agent with backbone with modified sugar chain end
Diagnostic imaging agent with backbone with modified sugar chain end