InChI=1S/C23H22O12/c1-8(24)33-7-15-19(30)20(31)21(32)23(35-15)17-14(28)5-13(27)16-18(29)10(6-34-22(16)17)9-2-3-11(25)12(26)4-9/h2-6,15,19-21,23,25-28,30-32H,7H2,1H3/t15-,19-,20+,21-,23+/m1/s1