IUPAC:(3aS,4S,6R,10S,11R,11aS)-10-hydroxy-6,10-dimethyl-3-methylidene-11-[(2-methylpropanoyl)oxy]-2,5-dioxo-dodecahydrocyclodeca[b]furan-4-yl (2Z)-2-methylbut-2-enoate
IUPAC:(3aS,4S,6R,10S,11R,11aS)-10-hydroxy-6,10-dimethyl-3-methylidene-11-[(2-methylpropanoyl)oxy]-2,5-dioxo-dodecahydrocyclodeca[b]furan-4-yl (2Z)-2-methylbut-2-enoate