InChI=1/C17H24N4/c1-15-3-2-4-16(13-15)20-9-11-21(12-10-20)17(14-18)5-7-19-8-6-17/h2-4,13,19H,5-12H2,1H3/p+1/fC17H25N4/h19H/q+1 F88DB8952EC7B3A5