InChI=1/C21H26N4O2/c22-21(27)24-14-17-7-9-19(10-8-17)20(26)23-13-16-3-5-18(6-4-16)15-25-11-1-2-12-25/h3-10H,1-2,11-15H2,(H,23,26)(H3,22,24,27)/p+1/fC21H27N4O2/h23-25H,22H2/q+1 CEB2D42BA52D2A19