Showing structure for (1s,2s,9s,11r)-11-[(2r)-butan-2-yl]-1,5,7-trihydroxy-2,6-dimethyl-10,12-dioxatetracyclo[7.4.1.0²,¹¹.0³,⁸]tetradeca-3(8),4,6-trien-13-one