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