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