Showing structure for (1s,5r,6r,9s)-5,10,15-trihydroxy-12-(1-hydroxyethyl)-1,6-dimethyl-3,8,13-trioxapentacyclo[7.7.1.0²,⁴.0⁶,¹⁷.0¹¹,¹⁶]heptadec-11(16)-ene-7,14-dione