100700-25-2 2-((3-(3-Acetamido-2,4,6-triiodophenoxy)propoxy)methyl)butyric acid sodium salt BUTYRIC ACID, 2-((3-(3-ACETAMIDO-2,4,6-TRIIODOPHENOXY)PROPOXY)METHYL)-, SODIUM S Butyric acid, 2-((3-(3-acetamido-2,4,6-triiodophenoxy)propoxy)methyl)-, sodium salt