IUPAC:(3S,3aR,4S,6S,6aR,10S,12R,15R,15aR)-3-benzyl-6,12-dihydroxy-4,10,12-trimethyl-5-methylidene-1,11-dioxo-1H,2H,3H,3aH,4H,5H,6H,6aH,9H,10H,11H,12H,15H-cycloundeca[d]isoindol-15-yl acetate
IUPAC:(3S,3aR,4S,6S,6aR,10S,12R,15R,15aR)-3-benzyl-6,12-dihydroxy-4,10,12-trimethyl-5-methylidene-1,11-dioxo-1H,2H,3H,3aH,4H,5H,6H,6aH,9H,10H,11H,12H,15H-cycloundeca[d]isoindol-15-yl acetate