Showing structure for methyl 12-ethyl-4-hydroxy-5,6-dimethoxy-14-oxa-8,17-diazahexacyclo[10.7.1.0¹,⁹.0²,⁷.0¹³,¹⁵.0¹⁷,²⁰]icosa-2(7),3,5,9-tetraene-10-carboxylate