InChI=1S/C22H18O12/c1-30-11-4-7(23)5-12-13(11)14-18(32-12)9-3-2-8(6-10(9)33-21(14)29)31-22-17(26)15(24)16(25)19(34-22)20(27)28/h2-6,15-17,19,22-26H,1H3,(H,27,28)