Showing structure for (1s,2s,3r,5r,8s,9z,11r,13s,14s,15s,17s,19r)-11,13-bis(acetyloxy)-2-hydroxy-5,10,14,19-tetramethyl-6-oxo-4,7,18-trioxapentacyclo[12.5.0.0³,⁵.0³,⁸.0¹⁷,¹⁹]nonadec-9-en-15-yl acetate