InChI=1/C15H10N4O8/c20-12(21)6-18-9-4-10(17-2-1-7(5-17)15(24)25)11(19(26)27)3-8(9)16-13(22)14(18)23/h1-5H,6H2,(H,16,22)(H,20,21)(H,24,25)/p-2/fC15H8N4O8/h16H/q-2 E54AB2C89C139BEA