InChI=1/C18H18N4O/c1-4-9-22-17(15-10-13(11-19)21(3)12(15)2)20-16-8-6-5-7-14(16)18(22)23/h4-8,10,17,20H,1,9H2,2-3H3/t17-/m0/s1 C6870541EE849F74