InChI=1S/C23H20N2O11/c26-7-9-2-4-14(34-9)16-15-11(6-13(25-16)21(30)31)10-5-8(1-3-12(10)24-15)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)