Showing structure for (1r,3s,7r,9s,16s,17r,20z,23z)-28-hydroxy-10,16-dimethyl-4,19-dioxo-2,5,13,18,25-pentaoxaspiro[hexacyclo[22.3.1.1¹⁴,¹⁷.0¹,³.0⁷,¹².0⁷,¹⁶]nonacosane-15,2'-oxirane]-10,20,23-trien-9-yl acetate