InChI=1S/C22H22O12/c1-30-14-7-12-8(3-11(14)23)4-13(33-12)10-5-9(6-15(31-2)16(10)24)32-22-19(27)17(25)18(26)20(34-22)21(28)29/h3-7,17-20,22-27H,1-2H3,(H,28,29)