Showing structure for (1r,4s,6r,7r,10r,14s,17s)-6,10,15,15-tetramethyl-7-[(1s)-1-[(2r)-5-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-3,19-dioxo-16,20-dioxatetracyclo[12.6.0.0¹,¹⁷.0⁶,¹⁰]icosan-4-yl acetate