IUPAC: 3-[3-(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]-1-[({[3-(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]carbamoyl}amino)methyl]urea

SMILES: OCN1C(NC(=O)NCNC(=O)NC2N(CO)C(=O)NC2=O)C(=O)NC1=O