Showing structure for (1r,5r,6r,10s,11s,12s,15r,16s,17r)-10-(acetyloxy)-15,17-dihydroxy-7,7,11-trimethyl-18-methylidene-13,14-dioxapentacyclo[13.2.1.0³,¹².0⁶,¹¹.0¹²,¹⁶]octadec-3-en-5-yl acetate