InChI=1S/C13H19N5O4/c1-7(14)12(21)16-8(5-6-11(19)20)13(22)18-10-4-2-3-9(15)17-10/h2-4,7-8H,5-6,14H2,1H3,(H,16,21)(H,19,20)(H3,15,17,18,22)