IUPAC: (4R,7R,9S,11S)-11-hydroxy-9-methyl-3-oxatricyclo[5.3.1.0^{4,11}]undec-1(10)-en-2-one

SMILES: [H][C@@]12CC[C@@]3([H])OC(=O)C(=C[C@@H](C)C1)[C@@]23O |t:9|