InChI=1/C19H23N5O/c1-24(2)10-9-20-16-6-3-14(4-7-16)12-21-19(25)15-5-8-17-18(11-15)23-13-22-17/h3-8,11,13,20H,9-10,12H2,1-2H3,(H,21,25)(H,22,23)/p+1/fC19H24N5O/h21-22,24H/q+1 9B8D05A28E50B0C1