Showing structure for (1s,1's,2r,6s,6's,7's,9's,11'r)-6,11'-bis(acetyloxy)-7'-hydroxy-3,3-dimethyl-10'-methylidene-2'-oxo-3'-oxaspiro[cyclohexane-1,5'-tricyclo[7.2.1.0¹,⁶]dodecane]-2-carboxylic acid