Showing structure for (1s,4s,5r,6r,9r,17r)-12-ethyl-5-hydroxy-1,6-dimethyl-3,8,13-trioxapentacyclo[7.7.1.0²,⁴.0⁶,¹⁷.0¹¹,¹⁶]heptadeca-11,15-diene-7,14-dione