InChI=1S/C22H19NO10/c1-23-9-3-2-4-11(32-22-19(28)17(26)18(27)20(33-22)21(29)30)13(9)16(25)14-10(24)7-12-8(15(14)23)5-6-31-12/h2-7,17-20,22,24,26-28H,1H3,(H,29,30)