InChI=1/C21H28N4O/c1-24-10-12-25(13-11-24)14-15-26-20-9-8-17(16-4-2-5-18(16)20)19-6-3-7-21(22)23-19/h3,6-9H,2,4-5,10-15H2,1H3,(H2,22,23)/p+2/fC21H30N4O/h23-24H,22H2/q+2 71E8D56B75D9164E