InChI=1S/C34H40N4O5/c1-23(19-21-39)29-33(41)35-20-18-24-14-16-27(17-15-24)43-31(26-12-8-5-9-13-26)30(34(42)36-29)37-32(40)28(38(2)3)22-25-10-6-4-7-11-25/h4-18,20,23,28-31,39H,19,21-22H2,1-3H3,(H,35,41)(H,36,42)(H,37,40)/b20-18-