SMILES: C[C@@H]([C@H](C1=CN=C2C(=N1)C(=O)NC(=N2)N)O)O
Description: The molecule is a biopterin that consists of pterin bearing amino, oxo and 1,2-dihydroxypropyl substituents at positions 2, 4 and 6. It has a role as a metabolite.