InChI=1/C21H21N5/c1-2-26(13-15-8-5-7-14-6-3-4-9-17(14)15)16-10-11-19-18(12-16)20(22)25-21(23)24-19/h3-12H,2,13H2,1H3,(H4,22,23,24,25)/p+1/fC21H22N5/h24H,22-23H2/q+1 FD68F5302D3E8227