<chemical> 3-acetamido-5-(acetamidomethyl)-2,4,6-triiodobenzoic acid. An ionic monomeric contrast medium. ... Pharmacological action: contrast media. ... Chemical name: Benzoic acid, 3-(acetylamino)-5-((acetylamino)methyl)-2,4,6-triiodo- ... (12 Dec 1998) ... 
(i-o´dә-mīd) a water-soluble, radiopaque, iodinated radiographic contrast medium; used for intravenous excretory urography.