InChI=1/C13H26N4O2/c1-2-8-17(9-11(18)16-12(15)19)13(10-14)6-4-3-5-7-13/h2-10,14H2,1H3,(H3,15,16,18,19)/p+1/fC13H27N4O2/h14,16H,15H2/q+1 ED715AAAB9039D11