Showing structure for methyl 2-{3,13-diazapentacyclo[11.7.0.0²,¹⁰.0⁴,⁹.0¹⁴,¹⁹]icosa-1(20),2(10),4(9),5,7,11,14,16,18-nonaen-20-yl}-2-oxoacetate