2,7,12,17-Tetrakis(3,5-dimethoxyphenyl)-21,22,23,24-tetraazapentacyclo[16.2.1.1(3),.1,(1)(1).1(1)(3),(1)]tetracosa-1,3,5,7,9,11,13(22),14,16,18(21),19-undecaene|Huagongshe