InChI=1S/C34H40N4O5/c1-5-23(2)28-31(39)35-21-20-24-16-18-27(19-17-24)43-30(26-14-10-7-11-15-26)29(32(40)36-28)37-33(41)34(42,38(3)4)22-25-12-8-6-9-13-25/h6-21,23,28-30,42H,5,22H2,1-4H3,(H,35,39)(H,36,40)(H,37,41)/b21-20-