InChI=1S/C32H37NO9/c1-4-23(19-8-6-5-7-9-19)26(20-10-12-21(13-11-20)40-17-16-33(2)3)24-18-22(14-15-25(24)34)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+