Showing structure for (2r,3r,9r)-5-acetyl-4-hydroxy-8,8-dimethyl-7,16-diazapentacyclo[9.6.1.0²,⁹.0³,⁷.0¹⁵,¹⁸]octadeca-1(17),4,11(18),12,14-pentaen-6-one