InChI=1/C18H24N4O2/c1-2-16(13-7-4-3-5-8-13)21-17(23)11-15(20)18(24)22-10-6-9-14(22)12-19/h3-5,7-8,14-16H,2,6,9-11,20H2,1H3,(H,21,23)/p+1/t14-,15-,16-/m0/s1/fC18H25N4O2/h20-21H/q+1 A72B6E58AB707800