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