InChI=1S/C34H40N4O5/c1-5-22(2)29-33(41)35-19-18-23-14-16-27(17-15-23)43-31(25-11-7-6-8-12-25)30(34(42)36-29)37-32(40)28(38(3)4)21-24-10-9-13-26(39)20-24/h6-20,22,28-31,39H,5,21H2,1-4H3,(H,35,41)(H,36,42)(H,37,40)/b19-18-