InChI=1/C15H22N4O2/c16-10-11-3-5-12(6-4-11)18-14(20)7-9-19-8-1-2-13(19)15(17)21/h3-6,13H,1-2,7-10,16H2,(H2,17,21)(H,18,20)/p+2/t13-/m1/s1/fC15H24N4O2/h16,18-19H,17H2/q+2 C2C3B84C846AD7F1