InChI=1S/C32H37NO9/c1-4-22(19-9-6-5-7-10-19)25(20-13-15-21(16-14-20)40-18-17-33(2)3)23-11-8-12-24(34)29(23)41-32-28(37)26(35)27(36)30(42-32)31(38)39/h5-16,26-28,30,32,34-37H,4,17-18H2,1-3H3,(H,38,39)/b25-22+