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