Showing structure for methyl (1r,9r,11s,14s,19r)-11-(acetyloxy)-12-ethyl-14-hydroxy-8-methyl-20-oxa-8,16-diazahexacyclo[10.6.1.1¹⁰,¹³.0¹,⁹.0²,⁷.0¹⁶,¹⁹]icosa-2,4,6-triene-10-carboxylate