InChI=1/C15H22N4O/c1-11(2)13(18(3)4)9-16-15(20)12-10-19-8-6-5-7-14(19)17-12/h5-8,10-11,13H,9H2,1-4H3,(H,16,20)/p+1/t13-/m0/s1/fC15H23N4O/h16,18H/q+1 F881D87CAF3A145D