InChI=1S/C22H18O11/c23-10-6-11(9-4-2-1-3-5-9)31-12-7-13-18(30-8-29-13)19(14(10)12)32-22-17(26)15(24)16(25)20(33-22)21(27)28/h1-7,15-17,20,22,24-26H,8H2,(H,27,28)