Showing structure for 16-{[3,4-dihydroxy-6-(hydroxymethyl)-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-2-yl]oxy}-8-hydroxy-2,8,10,13,18,18-hexamethyl-6-(2-methylprop-1-en-1-yl)-5-oxapentacyclo[11.8.0.0²,¹⁰.0⁴,⁹.0¹⁴,¹⁹]henicosa-15,19-diene-12,17-dione