Showing structure for methyl 2-[(1r,2s,5r,6r,10s,14r,16s)-6-(5-hydroxy-2-oxo-5h-furan-3-yl)-1,5,15,15-tetramethyl-14-{[(3e)-3-methyl-2-oxopent-3-en-1-yl]oxy}-8,17-dioxo-7-oxatetracyclo[11.3.1.0²,¹¹.0⁵,¹⁰]heptadec-11-en-16-yl]acetate