Showing structure for (1s,2s,6s,7s,9s,11s,13r,14s,15r,16s,17r)-11,14-dihydroxy-4,15-dimethoxy-2,6,14,17-tetramethyl-3-oxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-16-yl acetate