Showing structure for (2e)-2-{2-[(1s,2r,4ar,5r,6r,7r,8ar)-5,6,7-trihydroxy-1,2,4a,5-tetramethyl-hexahydro-2h-naphthalen-1-yl]ethyl}-4-(acetyloxy)but-2-en-1-yl acetate