InChI=1S/C26H42O9/c1-2-3-13-16-19(34-26-23(31)21(29)22(30)24(35-26)25(32)33)17-14-11-9-7-5-4-6-8-10-12-15-18-20(27)28/h4-5,9,11,14,17,19,21-24,26,29-31H,2-3,6-8,10,12-13,15-16,18H2,1H3,(H,27,28)(H,32,33)/b5-4-,11-9-,17-14+