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