Showing structure for methyl (2r)-2-(acetyloxy)-2-[(1r,2s,4s,5s,6s,11r,12s,13s,14r,15s,17s,18s)-4,14-bis(acetyloxy)-6-(furan-3-yl)-2,11,12,17-tetrahydroxy-1,5,15-trimethyl-8-oxo-7-oxapentacyclo[13.2.1.0²,¹¹.0⁵,¹⁰.0¹³,¹⁷]octadec-9-en-18-yl]acetate