Showing structure for (1s,2s,4s,5r,10r,11s,14s,15z,16s,18s)-15-{1-[(2r)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]ethylidene}-5-hydroxy-10,14-dimethyl-9-oxo-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-16-yl acetate