InChI=1/C18H18N4O/c1-21-9-12-8-11(21)10-22(12)16-7-6-15-17(20-16)13-4-2-3-5-14(13)18(23)19-15/h2-7,11-12H,8-10H2,1H3,(H,19,23)/p+1/t11-,12-/m1/s1/fC18H19N4O/h19,21H/q+1 74055CAAED7B4DB5