Showing structure for (1s,9r,12r,13r,15s,16s,17r)-16-hydroxy-1,12-dimethyl-5,10,14-trioxapentacyclo[7.7.1.0²,⁷.0¹²,¹⁷.0¹³,¹⁵]heptadeca-2,7-diene-4,11-dione