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