Showing structure for (1s,2s,3s,4r,7s,8e,10z,12s,13r,14s,16r,17s)-2,12,14,17-tetrakis(acetyloxy)-9-[(acetyloxy)methyl]-3-hydroxy-4,13,17-trimethyl-5-oxo-6-oxatricyclo[11.4.0.0³,⁷]heptadeca-8,10-dien-16-yl butanoate