InChI=1/C13H20N4/c1-2-4-11-9(3-1)7-12(15-11)13-16-14-8-17(13)10-5-6-10/h8-12,15H,1-7H2/p+1/t9-,11-,12-/m0/s1/fC13H21N4/h15H/q+1 90B05B4F6E639B89