InChI=1S/C19H20N2O11/c22-12-13(23)15(18(29)30)32-19(14(12)24)31-8-3-1-2-5-6-4-7(16(25)26)20-11(17(27)28)10(6)21-9(5)8/h1-3,7,11-15,19-24H,4H2,(H,25,26)(H,27,28)(H,29,30)