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