InChI=1S/C22H18O12/c23-16-17(24)19(21(28)29)34-22(18(16)25)33-13-6-15-14(30-7-31-15)5-10(13)12-4-9-3-8(20(26)27)1-2-11(9)32-12/h1-6,16-19,22-25H,7H2,(H,26,27)(H,28,29)