InChI=1S/C25H34O10/c1-4-6-7-8-11-17(27)14-15-19(13-10-9-12-18(5-2)33-16(3)26)34-25-22(30)20(28)21(29)23(35-25)24(31)32/h5,14-15,17-23,25,27-30H,2,4,6-8,11H2,1,3H3,(H,31,32)/b15-14+