Showing structure for (1s,2r,3s,4s,6z,8s,9s,10r,12r,13r,18r,19s)-3,4,9,12-tetrakis(acetyloxy)-1,10-dihydroxy-5,5,8,12-tetramethyl-2-[(2-methylpropanoyl)oxy]-15-oxo-14-oxatricyclo[8.7.2.0¹³,¹⁹]nonadec-6-en-18-yl benzoate