| 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. |
