SMILES: C1[C@@H]([C@H](O[C@H]1N2C3=C(C(=O)NC(=N3)N)NC2=O)CO)O
Description: The molecule is guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. It has a role as a biomarker.