SMILES: C1=C(C(=O)C(=CN1CC(=O)O)I)I
Description: The molecule is a 4-pyridone in which the pyridone is iodo-substituted at C-3 and -5 and has a carboxymethyl substituent on nitrogen; used as a radiocontrast agent urography. It has a role as a radioopaque medium. It is a member of 4-pyridones, a monocarboxylic acid and an organoiodine compound.