InChI=1/C18H19N5/c19-18(22-15-7-2-1-3-8-15)21-13-12-20-17-11-10-14-6-4-5-9-16(14)23-17/h1-11H,12-13H2,(H,20,23)(H3,19,21,22)/p+1/fC18H20N5/h20-22H,19H2/q+1 AD449C3D576D7F57