InChI=1S/C23H20O13/c1-6-14(26)16(28)20(33-7(2)24)23(32-6)34-11-5-9-12-13-8(21(29)35-18(12)15(11)27)4-10(25)17(31-3)19(13)36-22(9)30/h4-6,14,16,20,23,25-28H,1-3H3/t6-,14-,16+,20+,23-/m0/s1