InChI=1S/C22H18O14/c23-9-3-8-5-14(21(32)34-12(8)6-10(9)24)33-11-2-1-7(19(28)29)4-13(11)35-22-17(27)15(25)16(26)18(36-22)20(30)31/h1-6,15-18,22-27H,(H,28,29)(H,30,31)