IUPAC:(1R,2R,5S,6R,9S,12S,13R,18R,19R)-6-[(2R)-4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl]-2,18,19-trihydroxy-6,13-dimethyl-7-oxapentacyclo[10.8.0.0^{2,9}.0^{5,9}.0^{13,18}]icos-15-ene-8,14-dione
IUPAC:(1R,2R,5S,6R,9S,12S,13R,18R,19R)-6-[(2R)-4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl]-2,18,19-trihydroxy-6,13-dimethyl-7-oxapentacyclo[10.8.0.0^{2,9}.0^{5,9}.0^{13,18}]icos-15-ene-8,14-dione