N,N'-Bis(2,3-dihydroxypropyl)-5-((5-hydroxy-2-(hydroxymethyl)-1-oxopropyl)amino)-2,4,6-triiodo-N,N'-dimethyl-1,3-benzenedicarboxamide;N1,N3-Bis(2,3-dihydroxypropyl)-5-[[3-hydroxy-2-(hydroxyMethyl)-1-oxopropyl]aMino]-2,4,6-triiodo-N1,N3-diMethyl-1,3-benzenedicarboxaMide;Optiject;Xenetix