| DB00271 | Diatrizoate | An injected contrast agent used in radiology. |
| DB01187 | Iophendylate | Iophendylate is used as a contrast agent to locate spinal tumors. |
| DB01249 | Iodixanol | A contrast agent used during coronary angiography, particularly in patients with renal dysfunction. |
| DB01362 | Iohexol | A contrast agent for intrathecal administration used in myelography and contrast enhancement for computerized tomography. |
| DB01578 | Metrizamide | Metrizamide is used for lumbar, thoracic, cervical, and total columnar myelography to determine the presence of abnormalities in the spinal column, spinal canal, and central nervous system (CNS) as well... |
| DB04711 | Iodipamide | A contrast agent used in cholangiography and cholecystography. |
| DB08945 | Iotroxic acid | Iotroxic acid is a contrast medium molecule. |
| DB08946 | Iopanoic acid | Iopanoic acid contains iodine and is useful as a contrast medium in cholecystography. |
| DB08947 | Iopamidol | A diagnostic imaging agent used for angiography throughout the cardiovascular system. |
| DB08948 | Iodamide | Iodamide is a contrast medium molecule that is no longer marketed in the United States. |
| DB09133 | Iothalamic acid | A diagnostic contrast agent used in various medical imaging procedures, such as angiography, arthrography, and computed tomographic scans. |
| DB09134 | Ioversol | A diagnostic contrast agent used in various medical imaging procedures, such as angiography, urography, and computed tomographic scans. |
| DB09135 | Ioxilan | A diagnostic contrast agent used in various medical imaging procedures, such as angiography, urography, and computed tomographic scans. |
| DB09156 | Iopromide | An X-ray contrast agent used during various types of imaging tests such as angiography and contrast computed tomography (CT) imaging tests. |
| DB09313 | Ioxaglic acid | A tri-iodinated benzoate contrast agent used in various radiological procedures including angiography, phlebography, urography, computed tomography (CT), and hysterosalpingography. |
| DB09333 | Iopodic acid | An iodine containing cholecystography agent. |
| DB09340 | Tyropanoic acid | For use in cholecystography (X-ray diagnosis/imaging of gallstones). |
| DB09346 | Metrizoic acid | For use as a contrast medium . |
| DB09347 | Acetrizoic acid | Acetrizoic acid indication was to be used as a contrast agent for X-ray. Some information indicates its nephrotropic property as one of the characteristics for the utilization of acetrizoic acid.... |
| DB09366 | Propyliodone | Radiopaque medium usually in oil; used in bronchography. |
| DB09403 | Iocetamic acid | Iocetamic acid is a diagnostic aid (radiopaque medium) |
| DB09487 | Iotrolan | Nonionic, isotonic contrast medium designed for intrathecal use. |
| DB11705 | Iomeprol | Iomeprol has been investigated for the diagnostic of Coronary Artery Disease. |
| DB12407 | Iobitridol | Iobitridol has been used in trials studying the diagnostic of Diagnostic Imaging, Coronary Artery Disease, Type 2 Diabetes Mellitus, and Coronary Atherosclerosis. |
| DB13321 | Methiodal | Not Annotated |
| DB13389 | Iopydol | Not Annotated |
| DB13428 | Iobenzamic acid | Not Annotated |
| DB13444 | Ioxitalamic acid | A contrast agent used for CT scans of the abdomen and pelvis. |
| DB13539 | Iodoxamic acid | Radiopaque medium used in the diagnosis of gall bladder & bile duct diseases, usually as meglumine salt. |
| DB13568 | Diodone | Not Annotated |
| DB13701 | Ioglicic acid | Not Annotated |
| DB13741 | Ioglycamic acid | Not Annotated |
| DB13755 | Iocarmic acid | Not Annotated |
| DB13861 | Iopentol | Iopentol is used as a contrast medium. |