InChI=1S/C23H22O13/c1-30-7-4-8-11(12-17-23(34-17)36-21(12)32-8)16-9(7)5-2-3-6(10(5)20(29)33-16)31-22-15(26)13(24)14(25)18(35-22)19(27)28/h4,6,12-15,17-18,21-26H,2-3H2,1H3,(H,27,28)