InChI=1/C15H26N4O/c1-4-12(5-2)15(20)18-8-6-7-17-14-13(16)9-11(3)10-19-14/h9-10,12H,4-8,16H2,1-3H3,(H,17,19)(H,18,20)/p+1/fC15H27N4O/h17-19H/q+1 1576F6E167F27C4A