Showing structure for (1'r,2s,2'r,7'r,8'z,12'r,13'r,14'r)-2',14'-bis(acetyloxy)-4',9',13'-trimethyl-5'-oxo-6'-oxaspiro[oxirane-2,17'-tricyclo[11.4.0.0³,⁷]heptadecane]-3',8'-dien-12'-yl acetate