InChI=1S/C38H40N2O9/c1-39-15-14-24-19-33(45-4)35(46-5)36(49-32-21-27-23(18-31(32)44-3)13-16-40(2)37(27)42)34(24)28(39)17-22-7-10-26(11-8-22)48-30-20-25(38(43)47-6)9-12-29(30)41/h7-12,18-21,28,41H,13-17H2,1-6H3