Showing structure for (1s,2r,3s,4s,5r,9r,10r,11s,12z,14s,17r)-5,9,11-tris(acetyloxy)-4,10-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.0¹,¹⁷.0³,⁸]octadeca-6,12-dien-2-yl acetate