InChI=1S/C12H15N5O9/c13-12(14)17-8-3(15-1-2(18)16-8)10(24)26-11-6(21)4(19)5(20)7(25-11)9(22)23/h1,4-7,11,19-21H,(H,22,23)(H5,13,14,16,17,18)