X-ray contrast media, for which the human body has a greater tolerance than that of contrast media comprising solely iodobenzene compounds, and an opacity of the same order of magnitude as the latter contrast media, comprise mixtures of benzene compounds nuclearly substituted with a plurality of iodine atoms and of benzene compounds nuclearly substituted with a plurality of bromine atoms, the bromobenzene compounds having the mole ratio from 1/2 to 2/1 to the iodobenzene compounds in the mixture.
X射线造影剂,人体对其的耐受性高于仅含
碘苯化合物的造影剂,且其不透明度与后者的造影剂相当,由核上取代有多个
碘原子的苯化合物和核上取代有多个
溴原子的苯化合物混合而成,其中
溴苯化合物与
碘苯化合物在混合物中的摩尔比为1/2至2/1。