IUPAC: 7-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H,4H,7H-pyrrolo[2,3-d]pyrimidin-4-one

SMILES: OC[C@H]1O[C@H]([C@H](O)[C@@H]1O)n1ccc2c1[nH]cnc2=O