Showing structure for methyl (2r)-2-(acetyloxy)-2-[(1r,2s,5s,6s,11s,13r,16r)-6-(furan-3-yl)-11-hydroxy-1,5,15,15-tetramethyl-8,14,17-trioxo-7-oxatetracyclo[11.3.1.0²,¹¹.0⁵,¹⁰]heptadec-9-en-16-yl]acetate