Showing structure for (1r,2r,3r,4s,7r,8z,12r,13r,14r,16s)-2,14,16-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