InChI=1S/C26H46O9/c27-20(28)18-16-14-12-10-8-6-4-2-1-3-5-7-9-11-13-15-17-19-34-26-23(31)21(29)22(30)24(35-26)25(32)33/h1,3,21-24,26,29-31H,2,4-19H2,(H,27,28)(H,32,33)/b3-1+