Showing structure for 16,17-dimethoxy-6-{3-[(3,4,5-trihydroxy-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxan-2-yl)oxy]prop-1-en-2-yl}-2,7,20-trioxapentacyclo[11.8.0.0³,¹¹.0⁴,⁸.0¹⁴,¹⁹]henicosa-3(11),4(8),9,14,16,18-hexaen-12-one