4-[7,12,17-tris(4-bromophenyl)-21,22,23,24-tetraazapentacyclo[16.2.1.1�,?.1?,��.1��,�?]tetracosa-1,3(24),4,6,8,10,12,14,16,18(21),19-undecaen-2-yl]phenol, 95%, 1g