IUPAC: (1R,2'S,3'aS,4'R,6R,7'aR)-2',6-dihydroxy-2',4,4'-trimethyl-2',3'a,4',5',7',7'a-hexahydrospiro[cyclohexane-1,3'-furo[2,3-c]pyra]-3-ene-5,7'-dione

SMILES: C[C@H]1COC(=O)[C@@H]2O[C@](C)(O)[C@]3(CC=C(C)C(=O)[C@@H]3O)[C@H]12 |t:13|