InChI=1S/C23H20N2O11/c26-7-8-4-5-13(34-8)16-15-9(6-11(25-16)21(30)31)14-10(24-15)2-1-3-12(14)35-23-19(29)17(27)18(28)20(36-23)22(32)33/h1-6,17-20,23-24,26-29H,7H2,(H,30,31)(H,32,33)