| 摘要 |
A liposome containing a hydrophobic iodine compound represented by the following general formula (I) as a membrane component: <?in-line-formulae description="In-line Formulae" end="lead"?>R<SUP>1</SUP>-CO<SUB>2</SUB>-R<SUP>2</SUP><?in-line-formulae description="In-line Formulae" end="tail"?> wherein R<SUP>1 </SUP>represents a substituted or unsubstituted 2,3,5-triiodophenyl group or a substituted or unsubstituted 3,4,5-triiodophenyl group; and R<SUP>2 </SUP>represents a hydrocarbon group having 10 or more carbon atoms, and an X-ray contrast medium, which comprises said liposome which is used for radiography of a vascular disease.
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