InChI=1S/C36H40N2O6/c39-34(37-17-3-1-4-18-37)16-13-29-27(11-7-25-9-14-30-32(21-25)43-23-41-30)28(35(29)36(40)38-19-5-2-6-20-38)12-8-26-10-15-31-33(22-26)44-24-42-31/h7-16,21-22,27-29,35H,1-6,17-20,23-24H2/b11-7+,12-8+,16-13+