InChI=1/C16H22N4O/c1-10(2)20-8-7-16(3,9-20)15-18-12-6-4-5-11(14(17)21)13(12)19-15/h4-6,10H,7-9H2,1-3H3,(H2,17,21)(H,18,19)/p+1/t16-/m1/s1/fC16H23N4O/h18,20H,17H2/q+1 BA693E5915336EC9