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