InChI=1S/C42H44N8/c43-30-19-21-33-34-22-20-31(44)27-40(34)50(42(37(33)26-30)29-12-4-3-5-13-29)24-11-2-1-6-14-32-28-49(48-47-32)25-23-45-41-35-15-7-9-17-38(35)46-39-18-10-8-16-36(39)41/h3-5,7,9,12-13,15,17,19-22,26-28,44H,1-2,6,8,10-11,14,16,18,23-25,43H2,(H,45,46)/p+1