InChI=1S/C42H40N6O4/c1-45-31(21-25-13-5-3-6-14-25)37(51)47-33(35(45)49)23-41(27-17-9-11-19-29(27)43-39(41)47)42-24-34-36(50)46(2)32(22-26-15-7-4-8-16-26)38(52)48(34)40(42)44-30-20-12-10-18-28(30)42/h3-20,31-34,39-40,43-44H,21-24H2,1-2H3/t31-,32-,33-,34-,39-,40-,41+,42+/m0/s1