InChI=1S/C25H42O9/c1-3-4-12-15-18(33-25-22(29)20(27)21(28)23(34-25)24(30)31)16-13-10-8-6-5-7-9-11-14-17-19(26)32-2/h8,10,13,16,18,20-23,25,27-29H,3-7,9,11-12,14-15,17H2,1-2H3,(H,30,31)/b10-8+,16-13+