InChI=1/C15H20N4/c1-2-15(9-6-10-16-11-15)14-18-17-12-19(14)13-7-4-3-5-8-13/h3-5,7-8,12,16H,2,6,9-11H2,1H3/p+1/t15-/m0/s1/fC15H21N4/h16H/q+1 FA1A0FA513A16829