InChI=1S/C28H48N8.2Cu/c1-9-29-15-17-31-13-3-21-35(23-19-33-11-1)25-27-5-7-28(8-6-27)26-36-22-4-14-32-18-16-30-10-2-12-34-20-24-36;;/h5-8H,1-4,9-26H2;;/q-6;2*+4