InChI=1/C17H24N4O4/c1-11(2)20-8-6-13(7-9-20)18-16(22)17(23)19-14-5-4-12(3)15(10-14)21(24)25/h4-5,10-11,13H,6-9H2,1-3H3,(H,18,22)(H,19,23)/p+1/fC17H25N4O4/h18-20H/q+1 A647F3CD9B19D036