InChI=1S/C33H40N2O6/c1-19(15-20(2)18-36)9-8-11-24-30-32(4,41-30)21(3)29-26(16-22-17-34-25-12-7-6-10-23(22)25)35-31(39)33(24,29)27(37)13-14-28(38)40-5/h6-8,10-12,15,17-19,21,24,26,29-30,34H,9,13-14,16H2,1-5H3,(H,35,39)/b11-8+,20-15+/t19-,21-,24-,26-,29-,30-,32+,33+/m0/s1