Showing structure for (1r,2r,4r,6s,9r,13s,14r)-2-hydroxy-5,5,9-trimethyl-17-methylidene-10,16-dioxo-15-oxatetracyclo[11.2.2.0¹,¹⁴.0⁴,⁹]heptadecan-6-yl acetate