InChI=1/C20H16N4O4/c25-14-7-5-13(6-8-14)22-18(26)11-24-19(27)17(23-20(24)28)9-12-10-21-16-4-2-1-3-15(12)16/h1-10,21,25H,11H2,(H,22,26)(H,23,28)/b17-9-/f/h22-23H CD9365C5554AD234