InChI=1S/C25H34O10/c1-3-4-5-6-7-8-9-12-17(13-10-11-14-18(19-15-32-19)33-16(2)26)34-25-22(29)20(27)21(28)23(35-25)24(30)31/h9,12,17-23,25,27-29H,3-8,15H2,1-2H3,(H,30,31)/b12-9+