InChI=1/C18H18N4O2/c1-22(2)15-9-8-13-16(23)14(11-19-17(13)21-15)18(24)20-10-12-6-4-3-5-7-12/h3-9,11H,10H2,1-2H3,(H,20,24)(H,19,21,23)/p-1/fC18H17N4O2/h20H/q-1 A1529F9FCF4D39C2