InChI=1S/C23H20N2O10/c26-17-18(27)20(22(31)32)35-23(19(17)28)33-8-9-5-6-14(34-9)16-15-11(7-13(25-16)21(29)30)10-3-1-2-4-12(10)24-15/h1-7,17-20,23-24,26-28H,8H2,(H,29,30)(H,31,32)