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