Showing structure for {11-ethyl-3,8,16-trihydroxy-4,6-dimethoxy-11-azahexacyclo[7.7.2.1²,⁵.0¹,¹⁰.0³,⁸.0¹³,¹⁷]nonadecan-13-yl}methyl 2-(2,5-dioxopyrrolidin-1-yl)benzoate