Showing structure for (1r,4s,5s,8s,9s,10s,11s,14s,15r)-8-hydroxy-5,9-dimethyl-17-methylidene-12-oxo-13-oxapentacyclo[12.2.1.0⁴,¹⁵.0⁵,¹⁰.0¹¹,¹⁵]heptadecane-9-carboxylic acid