InChI=1/C15H30N4O2/c1-5-15(3,4)18-14(21)11(2)19(10-13(16)20)12-6-8-17-9-7-12/h11-12,17H,5-10H2,1-4H3,(H2,16,20)(H,18,21)/p+1/t11-/m0/s1/fC15H31N4O2/h17-18H,16H2/q+1 9D315C9DFA7E10F0