Showing structure for (1r,2r,3z,8s,9s,10r,11s,12s,13r,15s,18s,19s)-18-(furan-3-yl)-8,10-dihydroxy-2,8,12,19-tetramethyl-5,16-dioxo-6,14,17-trioxapentacyclo[10.9.0.0²,⁹.0¹³,¹⁵.0¹³,¹⁹]henicos-3-en-11-yl (2s)-2-{[(2r)-2-hydroxy-3-methylbutanoyl]oxy}-3-methylbutanoate