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