(S)-N1-(1,3-dihydroxypropan-2-yl)-N3-(2-hydroxyethyl)-5-(2-hydroxypropanamido)-2,4,6-triiodoisophthalamide;Iopamidol EP Impurity J; (S)-N-?(2-?Hydroxyethyl)?-?N'-?[2-?hydroxy-?1-?(hydroxymethyl)?ethyl]?-?5-?[(2-?hydroxy-?1-?oxopropyl)?amino]?-?2,?4,?6-?triiodo-?1,?3-?benzenedicarboxamide?;(S)-N1-(1,3-Dihydroxypropan-2-yl)-N3-(2-hydroxyethyl)-5-(2-hydroxypropanamide)-2,4,6-triiodisophthalamide
