3,5-Diiodo-4(1H)-pyridone 3,5-Diiodo-4-pyridone 4(1H)-PYRIDONE, 3,5-DIIODO- 4(1H)-Pyridinone, 3,5-diiodo- 5-21-07-00164 (Beilstein Handbook Reference) 5579-93-1 BRN 1447538 DJP EINECS 226-969-1 Hytrast Hytrast (VAN) Iopidona [INN-Spanish] Iopydon Iopydone Iopydone [USAN:BAN:INN:JAN] Iopydonum [INN-Latin] Jopydonum NSC 135284 component of Hytrast