Showing structure for (1s,2r,5s,6s,8r,10r,11s,12r,14r,15r,16r,19r,20r,21s)-21-(acetyloxy)-6-(furan-3-yl)-12,19,20-trihydroxy-5,11,15-trimethyl-3-oxo-9,17-dioxahexacyclo[13.3.3.0¹,¹⁴.0²,¹¹.0⁵,¹⁰.0⁸,¹⁰]henicosan-16-yl (2r)-2-methylbutanoate