InChI=1S/C22H20O13/c23-7-1-12-14(13(2-7)34-21-17(26)15(24)16(25)18(35-21)20(27)28)19-22(29,5-30-12)8-3-10-11(32-6-31-10)4-9(8)33-19/h1-4,15-19,21,23-26,29H,5-6H2,(H,27,28)