Showing structure for (1s,2s,4s,7s,8r,9r,10s,11r,12r,18s,19r,20s)-10,19,20-tris(acetyloxy)-7-(furan-3-yl)-1,8,12,17,17-pentamethyl-5,15-dioxo-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-en-9-yl acetate