InChI=1S/C22H24O11/c1-30-14-8-10(5-6-12(14)23)3-4-11-7-13(24)19(15(9-11)31-2)32-22-18(27)16(25)17(26)20(33-22)21(28)29/h3-9,16-18,20,22-27H,1-2H3,(H,28,29)/b4-3+