Showing structure for (1s,9s,10r,13r,21r)-8-acetyl-6-hydroxy-5-methoxy-13,16-dimethyl-12-oxa-8,16-diazapentacyclo[8.8.3.0¹,⁹.0²,⁷.0¹⁴,²¹]henicosa-2,4,6,14-tetraen-19-one