InChI=1S/C23H22O12/c1-9(24)32-8-18-19(29)20(30)21(31)23(35-18)34-17-7-12-14(27)5-11(25)6-16(12)33-22(17)10-2-3-13(26)15(28)4-10/h2-7,18-21,23,29-31H,8H2,1H3,(H3-,25,26,27,28)/p+1/t18-,19+,20+,21-,23-/m1/s1