InChI=1/C15H28N4O2/c1-2-4-15(5-6-17-12-15)14(21)19-8-3-7-18(9-10-19)11-13(16)20/h17H,2-12H2,1H3,(H2,16,20)/p+2/t15-/m1/s1/fC15H30N4O2/h17-18H,16H2/q+2 409DB3D44BA380CB