InChI=1/C19H24N4O/c24-19(22-14-16-5-3-9-20-13-16)21-10-4-11-23-12-8-17-6-1-2-7-18(17)15-23/h1-3,5-7,9,13H,4,8,10-12,14-15H2,(H2,21,22,24)/p+1/fC19H25N4O/h21-23H/q+1 61B6D3D7B3FF9866