InChI=1/C18H16N4O2/c1-23-13-8-9-15(24-2)12(10-13)7-6-11-4-3-5-14-16(11)17(19)22-18(20)21-14/h3-5,8-10H,1-2H3,(H4,19,20,21,22)/p+1/fC18H17N4O2/h21H,19-20H2/q+1 AC876D30E52242DE