InChI=1S/C26H42O9/c1-2-3-4-5-9-12-15-18-19(33-18)16-13-10-7-6-8-11-14-17-20(27)34-26-23(30)21(28)22(29)24(35-26)25(31)32/h9-10,12-13,18-19,21-24,26,28-30H,2-8,11,14-17H2,1H3,(H,31,32)/b12-9-,13-10-