N1-(3-(2,3-dihydroxypropoxy)-2-hydroxypropyl)-N3-(2,3-dihydroxypropyl)-5-(N-(2,3-dihydroxypropyl)acetamido)-2,4,6-triiodoisophthalamide
N1-(3-(2,3-dihydroxypropoxy)-2-hydroxypropyl)-N3-(2,3-dihydroxypropyl)-5-(N-(2,3-dihydroxypropyl)acetamido)-2,4,6-triiodoisophthalamide