InChI=1/C15H20N4/c1-2-8-19-14(4-1)12(11-17-19)10-16-13-6-9-18-7-3-5-15(13)18/h1-2,4,8,11,13,15-16H,3,5-7,9-10H2/p+1/t13-,15+/m0/s1/fC15H21N4/h18H/q+1 B5F87502D46C6486