InChI=1/C17H18N6/c1-2-7-13-12(6-1)20-16(21-13)18-10-5-11-19-17-22-14-8-3-4-9-15(14)23-17/h1-4,6-9H,5,10-11H2,(H2,18,20,21)(H2,19,22,23)/p+1/fC17H19N6/h18-22H/q+1 E4BF0E4921C7C53B