Showing structure for {11-ethyl-9-hydroxy-4,6,8,16,18-pentamethoxy-11-azahexacyclo[7.7.2.1²,⁵.0¹,¹⁰.0³,⁸.0¹³,¹⁷]nonadecan-13-yl}methyl 2-(2,5-dioxopyrrolidin-1-yl)benzoate