Showing structure for methyl 3-(acetyloxy)-12,15,16-trihydroxy-9,13-dimethyl-4-oxo-11-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-5,18-dioxapentacyclo[12.5.0.0¹,⁶.0²,¹⁷.0⁸,¹³]nonadec-9-ene-17-carboxylate