InChI=1/C15H18N4O/c1-15(16,11-4-5-11)14(20)19-12-6-2-10(3-7-12)13-8-17-9-18-13/h2-3,6-9,11H,4-5,16H2,1H3,(H,17,18)(H,19,20)/p+1/t15-/m1/s1/fC15H19N4O/h16-17,19H/q+1 3FF8843C7B9FCE04