InChI=1S/C23H24O11/c1-9-18(26)20(28)21(29)23(32-9)34-17-8-12-13(25)6-11(24)7-14(12)33-22(17)10-4-15(30-2)19(27)16(5-10)31-3/h4-9,18,20-21,23,26,28-29H,1-3H3,(H2-,24,25,27)/p+1