InChI=1/C18H28N4O/c1-17(2)12-15(18(3,4)22-17)16(23)21-9-5-8-20-13-14-6-10-19-11-7-14/h6-7,10-12,20,22H,5,8-9,13H2,1-4H3,(H,21,23)/p+2/fC18H30N4O/h20-22H/q+2 43B9ACB467F8A84B