C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/550.5
C07D 493/04 (2006.01) C07D 317/20 (2006.01) C07D 317/28 (2006.01) C07D 407/04 (2006.01)
Patent
CA 1189533
ABSTRACT Novel N-hydroxyethylated 2,4,6-triiodo-aminoiso- phthalic acid bis-trihydroxybutylamides of the general formula I Image (I) (in w hich each R represents trihydroxybutyl) and a process for their manufacture. The novel compounds being radio-opaque are out- standingly suitable for use as X-ray contrast agents having an excellent tolerability and good water-solu- bility and may be used for various examination methods using X-ray diagnosis; they may accordingly be made up into X-ray contrast preparations with physiologically tolerable carriers.
418020
Mutzel Wolfgang
Pfeiffer Heinrich
Speck Ulrich
Marks & Clerk
Schering Aktiengesellschaft
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