InChI=1S/C25H28O10/c1-11(2)21-22(34-21)17-15(27)9-13(4-3-12-5-7-14(26)8-6-12)10-16(17)33-25-20(30)18(28)19(29)23(35-25)24(31)32/h3-11,18-23,25-30H,1-2H3,(H,31,32)/b4-3+