Showing structure for (1r,2r,3r,4s,5r,7r,8s,9s,10r,11r,12z,14r,17s)-2,7,9-tris(acetyloxy)-5,10-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadec-12-en-11-yl acetate