Showing structure for (1's,2s,2's,3'r,5's,7's,8's,9'r,10'r,13's)-2',5',7',9'-tetrakis(acetyloxy)-1',10'-dihydroxy-8',12',15',15'-tetramethylspiro[oxirane-2,4'-tricyclo[9.3.1.0³,⁸]pentadecan]-11'-en-13'-yl acetate