InChI=1/C18H16N6O/c1-2-11-6-7-15-14(9-11)16-17(20-15)21-18(24-22-16)23-19-10-12-4-3-5-13(25)8-12/h3-10,17,25H,2H2,1H3,(H,21,23)/p+2/b19-10+/t17-/m1/s1/fC18H18N6O/h20-21,24H/q+2/b 7EC35ED0AC1A4AB5