InChI=1/C18H28N4O2/c1-21(2)10-11-22(18(23)20-9-4-5-12-24-3)15-17-8-6-7-16(13-17)14-19/h6-8,13H,4-5,9-12,15H2,1-3H3,(H,20,23)/p+1/fC18H29N4O2/h20-21H/q+1 000FDF5458D20633