InChI=1S/C26H42O9/c1-16(13-23(30)32-11-9-7-5-4-6-8-10-22(28)29)12-21-26(31)25-19(15-33-21)14-20(34-25)24(35-26)17(2)18(3)27/h13,17-21,24-25,27,31H,4-12,14-15H2,1-3H3,(H,28,29)/b16-13+/t17-,18-,19-,20+,21-,24-,25-,26+/m0/s1