InChI=1/C15H18N4O/c16-7-10-5-6-19(9-10)14-11-3-1-2-4-13(11)18-8-12(14)15(17)20/h1-4,8,10H,5-7,9,16H2,(H2,17,20)/p+2/t10-/m0/s1/fC15H20N4O/h16,18H,17H2/q+2 D746610DB143E1BB