InChI=1/C21H24N6/c1-13-7-8-17-20(14(13)2)26-19(25-17)10-12-23-21-15-5-3-4-6-16(15)24-18(27-21)9-11-22/h3-8H,9-12,22H2,1-2H3,(H,25,26)(H,23,24,27)/p+1/fC21H25N6/h22-23,26H/q+1 172CEF1866B888C8