InChI=1/C15H20N4O/c1-11(10-15(2,17)14(16)20)19-9-8-18-13(19)12-6-4-3-5-7-12/h3-9,11H,10,17H2,1-2H3,(H2,16,20)/p+2/t11-,15-/m1/s1/fC15H22N4O/h17-18H,16H2/q+2 ABD23CB227DEB8C2