InChI=1/C18H16N4/c1-2-4-13(5-3-1)6-9-17-21-15-8-7-14(12-16(15)22-17)18-19-10-11-20-18/h1-9,12H,10-11H2,(H,19,20)(H,21,22)/p+1/b9-6-/fC18H17N4/h19-20,22H/q+1 F52568DEEA76AE22