SMILES: C1=NC(=C2C(=N1)NC(=O)N2)N
Description: The molecule is a oxopurine that is adenine bearing a single oxo substituent at position 8. It has a role as a human metabolite. It is a member of 6-aminopurines, an oxopurine and a nucleobase analogue. It derives from an adenine. It is a tautomer of an 8-hydroxyadenine.