Showing structure for (1s,2s,4r,5s,10r,11s,14r,15r,18s)-15-[(1s)-1-[(2s)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-5,10,14-trimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-ene-9,13-dione