IUPAC:(1S,2R,9R,11R,12R,15R)-11-hydroxy-2,6,9,15-tetramethyl-13-oxatetracyclo[10.2.1.0^{2,10}.0^{5,9}]pentadeca-4,6-diene-3,8,14-trione
IUPAC:(1S,2R,9R,11R,12R,15R)-11-hydroxy-2,6,9,15-tetramethyl-13-oxatetracyclo[10.2.1.0^{2,10}.0^{5,9}]pentadeca-4,6-diene-3,8,14-trione