C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/550.9
C07C 243/38 (2006.01)
Patent
CA 1075712
N E W X - R A Y C O N T R A S T M E D I A. ABSTRACT OF THE DISCLOSURE. This invention relates to compounds having the following general formula : Image (I) in which n is an integer from 0 to 4; R1 and R2 represent independently from each other a radical of the formula -CONHR5 in which R5 is an alkyl radical having 1-4 carbon atoms or a hydroxyalkyl radical having 1-4 carbon atoms or a radical of the formula Image in which R6 and R7 are alkyl radicals having 1-4 carbon atoms; and R3 and R4, independently from each other, represent a hydrogen atom or an alkyl radical having 1-4 carbon atoms. Said compounds are useful as X-ray contrast media, particularly for myelography. - 1 -
253277
Hardouin Michel J.
Lautrou Jean
Tilly Guy
Laboratoires Andre Guerbet
Na
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