InChI=1/C15H22N4O/c16-11-5-6-13-14(9-11)18-15(17-13)10-19(7-8-20)12-3-1-2-4-12/h5-6,9,12,20H,1-4,7-8,10,16H2,(H,17,18)/p+1/fC15H23N4O/h18-19H/q+1 44FD2CA07B0D98DC