InChI=1/C15H20N4/c1-3-7-18-14(12-5-8-17-9-6-12)13-11(2)4-10-19-15(13)16/h4-6,8-10,14,18H,3,7H2,1-2H3,(H2,16,19)/p+2/t14-/m1/s1/fC15H22N4/h18-19H,16H2/q+2 4D17D0996E1FF45D