Showing structure for methyl (1s,5s,8r,9s,10r,11r)-5-hydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.1⁵,⁸.0¹,¹⁰.0²,⁸]heptadec-2-ene-9-carboxylate