InChI=1S/C34H40N4O5/c1-22(23(2)39)29-33(41)35-20-19-24-15-17-27(18-16-24)43-31(26-13-9-6-10-14-26)30(34(42)36-29)37-32(40)28(38(3)4)21-25-11-7-5-8-12-25/h5-20,22-23,28-31,39H,21H2,1-4H3,(H,35,41)(H,36,42)(H,37,40)/b20-19-