Showing structure for (1's,2r,2's,6's,7's,8's,10's,11's,12'r,14's)-8',11'-dihydroxy-14'-methyl-5'-methylidene-4'-oxo-3',13'-dioxaspiro[oxirane-2,9'-tetracyclo[8.4.0.0²,⁶.0¹²,¹⁴]tetradecan]-7'-yl (2e)-2-methylbut-2-enoate