Showing structure for (2r,3e)-1-[(1s,2s,4as,8as)-2-[(acetyloxy)methyl]-1,4a,5-trimethyl-7-oxo-3,4,8,8a-tetrahydro-2h-naphthalen-1-yl]-5-hydroxy-3-methylpent-3-en-2-yl acetate