Showing structure for (1r,2r,3s,7s,8r,9s,12r,13s,14r,15r,16r,17s)-3,12,15,16-tetrahydroxy-2,6,14,17-tetramethyl-4,11-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-5-en-8-yl acetate