2-((4-(4-Morpholinylcarbonyl)-2,3,5,6-tetraiodobenzoyl)amino)butanoic acid 29972-14-3 4-(4-(alpha-Carboxypropyl-carbamoyl)-2,3,5,6-tetrajod-benzoyl)-morpholin [German] BRN 1232277 Butanoic acid, 2-((4-(4-morpholinylcarbonyl)-2,3,5,6-tetraiodobenzoyl)amino)-