3,5-diacetamido-2,4,6-triiodobenzoic acid; Diatrizoic Acid; 3,5-Diacetamido-2,4,6-triiodobenzoic Acid; 3,5-bis(Acetylamino)-2,4,6-triiodobenzoic Acid;, Amidotrizoic Acid; Urografin Acid; Odiston (USP)