Showing structure for (1r,2r,3r,4s,6s,9s,10s,11s,13s)-2,6,11-trihydroxy-5,5,9-trimethyl-14-methylidene-15-oxotetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecan-3-yl acetate