InChI=1/C22H16N2O9/c23-32-21(29)14-7-11(1-4-16(14)26)20(13-3-6-18(28)19(9-13)31-10-25)12-2-5-17(27)15(8-12)22(30)33-24/h1-10,26,28H,23-24H2/b20-12+	5DCF9BDF861FCDEF