InChI=1S/C15H19N5O9/c1-2-5(22)4(3-21)17-6-11(16)18-15(19-12(6)26)20-13-9(25)7(23)8(24)10(29-13)14(27)28/h3,7-10,13,23-25H,2H2,1H3,(H,27,28)(H4,16,18,19,20,26)