IUPAC: (1R,3S)-9-methoxy-1,3-dimethyl-1H,3H,4H,5H,10H-naphtho[2,3-c]pyran-5,10-dione

SMILES: COc1cccc2C(=O)C3=C([C@@H](C)O[C@@H](C)C3)C(=O)c12 |t:9|