InChI=1S/C35H34N2O8/c1-43-29-20-25(19-28(40)21-29)33-34(35(42)37-17-15-23-4-10-27(39)11-5-23)45-31-18-24(6-12-30(31)44-33)7-13-32(41)36-16-14-22-2-8-26(38)9-3-22/h2-13,18-21,33-34,38-40H,14-17H2,1H3,(H,36,41)(H,37,42)/b13-7+/t33-,34-/m1/s1