Ioversol87771-40-2100 % similar Iomeprol78649-41-970 % similar Iohexol66108-95-061 % similar Iodixanol92339-11-261 % similar 5-Amino-N,N′-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide76801-93-956 % similar 5-Acetamido-N,N′-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide31127-80-749 % similar Iopromide73334-07-342 % similar N1,N3-Bis(2,3-dihydroxypropyl)-5-nitro-1,3-benzenedicarboxamide76820-34-334 % similar Iopamidol60166-93-030 % similar Metrizamide31112-62-630 % similar