Showing structure for (1s,2s,4r,5r,6r,9r,10s,11r,13r,14r,18s,20r)-20-(acetyloxy)-6-(furan-3-yl)-11,15,18-trihydroxy-5,10,14-trimethyl-3,8-dioxo-16-oxapentacyclo[12.3.3.0¹,¹³.0²,¹⁰.0⁵,⁹]icosan-4-yl acetate