Showing structure for (1's,2r,2'r,3's,4'r,7's,8'e,12's,13'r,14's)-2',14'-bis(acetyloxy)-3'-hydroxy-4',9',13'-trimethyl-5'-oxo-6'-oxaspiro[oxirane-2,17'-tricyclo[11.4.0.0³,⁷]heptadecan]-8'-en-12'-yl propanoate