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