Compounds having the structure
wherein (Z)̵COO is the residue of an iodinated aromatic acid;
R¹ and R² are independently alkyl, fluoroalkyl, cycloalkyl, aryl or aralkyl; and
R³ is H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, cyano, sulfonate, carboxamido, sulfonamido, CO₂-alkyl, CO₂-aryl or CO₂-aralkyl;
are useful as contrast agents in x-ray imaging compositions and methods for diagnostic imaging.
具有以下结构的化合物
其中 (Z)̵COO 是
碘化
芳香酸的残留物;
R¹ 和 R² 独立地是烷基、氟烷基、环烷基、芳基或芳烷基;以及
R³ 是 H、烷基、氟烷基、环烷基、芳基、芳烷基、烷氧基、芳氧基、
氰基、
磺酸基、羧酰胺基、磺酰胺基、CO₂-烷基、CO₂-芳基或 CO₂-芳烷基;
可用作 X 射线成像组合物和诊断成像方法中的造影剂。