InChI=1/C14H20N4O3/c19-11(20)10-9-15-12(16-10)14(5-4-6-14)17-13(21)18-7-2-1-3-8-18/h9H,1-8H2,(H,15,16)(H,17,21)(H,19,20)/p-1/fC14H19N4O3/h15,17H/q-1 4E419632DFF38EC5