Showing structure for (1s,5r,8s,9s,10r,11s,12s)-12-hydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.1⁵,⁸.0¹,¹⁰.0²,⁸]heptadec-2-ene-9-carboxylic acid