InChI=1S/C34H38N2O6/c37-31(35-15-3-1-4-16-35)13-9-25-33(23-7-11-27-29(19-23)41-21-39-27)26(10-14-32(38)36-17-5-2-6-18-36)34(25)24-8-12-28-30(20-24)42-22-40-28/h7-14,19-20,25-26,33-34H,1-6,15-18,21-22H2/b13-9+,14-10+