Showing structure for {8,9-dihydroxy-6,16,18-trimethoxy-4-[(2-methylpropanoyl)oxy]-11-azahexacyclo[7.7.2.1²,⁵.0¹,¹⁰.0³,⁸.0¹³,¹⁷]nonadec-11-en-13-yl}methyl 2-(3-methyl-2,5-dioxopyrrolidin-1-yl)benzoate