Showing structure for (1r,4s,6r,7s,10s,11s,13r)-6-(acetyloxy)-11,13-dihydroxy-5,5,9-trimethyl-14-methylidene-15-oxotetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecan-7-yl acetate