2-(3-(2-Oxo-1-pyrrolidinyl)-2,4,6-triiodophenyl)propionic acid sodium salt 21762-08-3 3-(2-Oxo-1-pyrrolidinyl)-2,4,6-triiodohydratropic acid sodium salt Hydratropic acid, 3-(2-oxo-1-pyrrolidinyl)-2,4,6-triiodo-, sodium salt