InChI=1/C18H13N7O4/c1-9-2-3-12-11(4-9)16-17(20-12)21-18(24-22-16)23-19-7-10-5-14-15(29-8-28-14)6-13(10)25(26)27/h2-7,17H,8H2,1H3,(H,21,23)/p+2/b19-7+/t17-/m0/s1/fC18H15N7O4/h20-21,24H/q+2/b 4D8EB55CD2B47248