InChI=1/C15H26N4O/c1-5-12(6-2)19(7-8-20)15-13(14(16)17)10(3)9-11(4)18-15/h9,12,20H,5-8H2,1-4H3,(H3,16,17)/p+1/fC15H27N4O/h16-17H2/q+1 6C71CAE2E0EC29A6