IUPAC:(1R,2R,4R,6S,7S,10R,11R)-6-(furan-3-yl)-17-hydroxy-1,7,11,15,15-pentamethyl-3-oxapentacyclo[8.8.0.0^{2,4}.0^{2,7}.0^{11,16}]octadeca-12,16-diene-14,18-dione
IUPAC:(1R,2R,4R,6S,7S,10R,11R)-6-(furan-3-yl)-17-hydroxy-1,7,11,15,15-pentamethyl-3-oxapentacyclo[8.8.0.0^{2,4}.0^{2,7}.0^{11,16}]octadeca-12,16-diene-14,18-dione