InChI=1/C18H18N4O2/c1-23-14-5-3-2-4-12(14)13(10-6-7-10)8-11-9-24-17-15(11)16(19)21-18(20)22-17/h2-5,8-10H,6-7H2,1H3,(H4,19,20,21,22)/p+1/b13-8-/fC18H19N4O2/h22H,19-20H2/q+1 D968402E0ED05F14