Showing structure for (1s,1's,2r,6s,6's,7's,9's,11'r)-2-formyl-6,7'-dihydroxy-3,3-dimethyl-10'-methylidene-2'-oxo-3'-oxaspiro[cyclohexane-1,5'-tricyclo[7.2.1.0¹,⁶]dodecan]-11'-yl acetate