InChI=1/C17H16N4/c1-2-8-18-16(5-1)21-10-6-13(7-11-21)15-12-20-17-14(15)4-3-9-19-17/h1-6,8-9,12H,7,10-11H2,(H,19,20)/p+1/fC17H17N4/h18,20H/q+1 C94902F876170083