InChI=1/C19H23N5/c1-14-4-6-15(7-5-14)18-11-21-23-19(18)16-3-2-10-24(12-16)13-17-8-9-20-22-17/h4-9,11,16H,2-3,10,12-13H2,1H3,(H,20,22)(H,21,23)/p+1/t16-/m0/s1/fC19H24N5/h22-24H/q+1 AAF20FC5E040BE2A