Showing structure for (1s,2r,5r,8r,9r,10s,11r,12s,13r)-12,13-dihydroxy-11-methyl-6-methylidene-4,16-dioxo-15-oxapentacyclo[9.3.2.1⁵,⁸.0¹,¹⁰.0²,⁸]heptadecane-9-carboxylic acid