Showing structure for (1r,2r,4s,7r,8s,11r,12r,13s,16r)-13-hydroxy-7-(5-hydroxy-2-oxo-5h-furan-3-yl)-1,8,12,13,15,15-hexamethyl-3,6,14-trioxapentacyclo[9.7.0.0²,⁴.0²,⁸.0¹²,¹⁶]octadecane-5,18-dione