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