| 摘要 |
PROBLEM TO BE SOLVED: To provide a contrast medium for diagnosis, into which a plurality of Gd ion is stably introduced and which has good solubility, has no toxicity, specifically defects cancer, and shows suitable retentivity in blood. SOLUTION: The contrast medium for diagnosis includes a complex compound having a backbone comprising of a polysaccharide obtained by modifying lactose. COPYRIGHT: (C)2011,JPO&INPIT
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