Iodine-containing dendrimeric polymers of general formula I A--(X).sub.b (I), in which A stands for a nitrogen-containing nucleus of basic multiplicity b, and b stands for the numbers 1 to 8 and X stands for a radical composed of ##EQU1## reproduction units S and at most 2.sup.n imaging radicals Z, in which n determines the number of generations and stands for the numbers 1 to 10, S and Z have various meanings, are valuable X-ray diagnostic agents.
一般式I A--(X).sub.b (I)的含
碘树枝状聚合物,其中A代表碱性重数为b的含氮核,b的取值范围为1至8,X代表由##EQU1##组成的自由基重复单元S和至多2.sup.n个成像自由基Z,其中n确定代数的数量,取值范围为1至10,S和Z具有不同的含义,是有价值的X射线诊断剂。