InChI=1/C14H20N4O2/c1-8-11(19-2)5-9(6-12(8)20-3)4-10-7-17-14(16)18-13(10)15/h5-6,10H,4,7H2,1-3H3,(H4,15,16,17,18)/p+1/t10-/m0/s1/fC14H21N4O2/h18H,15-16H2/q+1 EF272A90CCB4DE7A