InChI=1/C18H15N9O2/c1-25-8-4-3-7-13(25)19-18(28)22-17-21-14-11(10-26(2)23-14)16-20-15(24-27(16)17)12-6-5-9-29-12/h3-10H,1-2H3,(H,21,22,23,28)/p+1/fC18H16N9O2/h19,22H/q+1 57668FEEB7F7185A