Showing structure for methyl 3-[(5r)-5,17-dimethyl-3,8-dioxa-10-azapentacyclo[10.8.0.0²,⁶.0⁷,¹¹.0¹³,¹⁸]icosa-1(12),2(6),7(11),9,13(18),14,16,19-octaen-9-yl]propanoate