IUPAC: (9R,10R)-9-hydroxy-10-methoxy-8,8-dimethyl-2H,8H,9H,10H-pyrano[2,3-h]chromen-2-one

SMILES: CO[C@H]1[C@@H](O)C(C)(C)Oc2ccc3ccc(=O)oc3c12