Showing structure for 3-{[(8ar,9s,10s,12ar)-6,6,9,10,12a-pentamethyl-3-oxo-1h,2h,7h,8h,8ah,10h,11h,12h-naphtho[2,1-d][1,2]dioxocin-9-yl]methyl}-4-hydroxy-5-methylphenyl acetate