Showing structure for (2r,3s,5r)-3-[(1r,2r,8r,10r,11r,15s,16s)-10-(acetyloxy)-2,7,7,11,16-pentamethyl-5-oxo-6-oxatetracyclo[9.7.0.0²,⁸.0¹²,¹⁶]octadeca-3,12-dien-15-yl]-5-[(2s)-3,3-dimethyloxiran-2-yl]oxolan-2-yl acetate