Showing structure for 7,17,18-trimethoxy-3,13,21-triazapentacyclo[11.8.0.0²,¹⁰.0⁴,⁹.0¹⁵,²⁰]henicosa-1(21),2(10),4(9),5,7,11,15,17,19-nonaen-14-one