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