Perfluoroalkyl-containing complexes with sugar radicals of general formula I ##STR1## in which R represents a monosaccharide or oligosaccharide radical that is bonded via the 1-OH position or 1-SH position, R.sub.f means a perfluorinated carbon chain, K is a metal complex, and Y and Z represent linker groups, are suitable for intravenous lymphography, for tumor diagnosis and for infarction and necrosis imaging.

Perfluoroalkyl-contenendo i complessi con i radicali dello zucchero del ## generale del ## STR1 di formula I in cui la R rappresenta un radicale dell'oligosaccaride o del monosaccaride che è legato via la posizione 1-OH o la posizione 1-SH, il mezzo di R.sub.f una catena perfluorurata del carbonio, K è un complesso del metallo e Y e la Z rappresentano i gruppi di linker, sono adatti a lymphography endovenoso, a diagnosi del tumore e a formazione immagine di necrosi e di infarto.

 
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