SMILES: CN1C2=C(NC1=O)N(C(=O)N(C2=O)C)C
Description: The molecule is an oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8, and the nitrogens at positions 1, 3, and 7 are substituted by methyl groups. It is a metabolite of caffeine. It has a role as a human xenobiotic metabolite, a human blood serum metabolite and a mouse metabolite. It is a conjugate acid of a 1,3,7-trimethylurate.