New amino acid derivative of acylamino-5-alkylcarbamoyl-2,4,6-triiodobenzoic acids are described together with processes for their preparation and use and novel intermediates useful in preparing these compounds. The compounds are valuable radiopaque agents useful as X-ray contrast media.
本文描述了一种新的
氨基酸衍
生物,即酰胺基-5-烷基
氨基甲酰基-
2,4,6-三碘苯甲酸衍
生物,以及它们的制备和使用方法以及用于制备这些化合物的新型中间体。这些化合物是有价值的放射性显影剂,可用作X射线造影剂。