Showing structure for 6-(acetyloxy)-7,9-dihydroxy-1,7-dimethyl-8-[(2-methylbut-2-enoyl)oxy]-3-[(2-methylbutanoyl)oxy]-4-(2-methyloxiran-2-yl)-11-oxabicyclo[8.1.0]undecan-2-yl 2-methylbut-2-enoate