Preparation and purification of L-5-(2-hydroxypropylamino)-2,4,6-triiodoisophthalic acid bis-(1,3-dihydroxypropylamide) contrast agent

摘要

A process for the preparation and purification of L-5-(2-hydroxypropionylamino)-2,4,6-triiodoisophthalic acid bis-(1,3-dihydroxypropylamide) by using ion-exchange resins is described.