InChI=1/C21H16N6O7/c1-11-2-4-12(5-3-11)23-21(31)34-9-13-8-26(10-22-13)16-6-14-15(7-17(16)27(32)33)25-19(28)18(24-14)20(29)30/h2-8,10H,9H2,1H3,(H,23,31)(H,25,28)(H,29,30)/p-1/fC21H15N6O7/h23,28H/q-1 8BBF96C431D84399