InChI=1S/C25H42O9/c1-3-4-5-6-7-9-12-15-18(16-13-10-8-11-14-17-19(26)32-2)33-25-22(29)20(27)21(28)23(34-25)24(30)31/h7,9,12,15,18,20-23,25,27-29H,3-6,8,10-11,13-14,16-17H2,1-2H3,(H,30,31)/b9-7-,15-12?