发明名称 Polyiodinated compounds, process of preparation and contrast agent containing them
摘要 PCT No. PCT/FR93/00824 Sec. 371 Date Aug. 11, 1995 Sec. 102(e) Date Aug. 11, 1995 PCT Filed Aug. 24, 1993 PCT Pub. No. WO94/04488 PCT Pub. Date Mar. 3, 1994The present invention relates to new polyiodinated compounds of general formula: <IMAGE> (I) in which R1 and R2, which are identical to or different from each other, represent a group of formula: <IMAGE> and R3 and R4, which are identical to or different from each other, represent a group of formula <IMAGE> with R1, R2, R3 and R4 comprising in total at least ten hydroxyls, which can be used in contrast media for radiography. The invention also relates to a process for the preparation of these compounds as well as to a contrast medium containing them.
申请公布号 US5618977(A) 申请公布日期 1997.04.08
申请号 US19950387721 申请日期 1995.08.11
申请人 GUERBET S.A. 发明人 DUGAST-ZRIHEN, MARYSE;MEYER, DOMINIQUE
分类号 A61K49/04;C07C237/46;(IPC1-7):C07C237/46;C07C235/16;C07C237/42 主分类号 A61K49/04
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