InChI=1S/C32H37NO9/c1-4-24(19-9-6-5-7-10-19)26(20-13-15-22(16-14-20)40-18-25(34)33(2)3)21-11-8-12-23(17-21)41-32-29(37)27(35)28(36)30(42-32)31(38)39/h5-17,25,27-30,32,34-37H,4,18H2,1-3H3,(H,38,39)/b26-24+