InChI=1S/C25H34O10/c1-4-19(34-17(3)26)15-11-10-14-18(27)13-9-7-5-6-8-12-16(2)33-25-22(30)20(28)21(29)23(35-25)24(31)32/h4,9,13,16,18-23,25,27-30H,1,5-8,12H2,2-3H3,(H,31,32)/b13-9+