Showing structure for (1s,2s,3r,4r,7s,8z,12s,13s,14r,15s)-2,14,15-tris(acetyloxy)-3-hydroxy-4,9,13-trimethyl-17-methylidene-5-oxo-6-oxatricyclo[11.4.0.0³,⁷]heptadec-8-en-12-yl acetate