InChI=1/C15H20N4O/c1-9(2)19-8-4-7-12(19)15-17-11-6-3-5-10(14(16)20)13(11)18-15/h3,5-6,9,12H,4,7-8H2,1-2H3,(H2,16,20)(H,17,18)/p+1/t12-/m1/s1/fC15H21N4O/h17,19H,16H2/q+1 E64CB416B6CE755A