InChI=1S/C11H16N8O8/c20-1-10(4(22)14-8(26)18-10)16-6(24)12-3-13-7(25)17-11(2-21)5(23)15-9(27)19-11/h20-21H,1-3H2,(H2,12,16,24)(H2,13,17,25)(H2,14,18,22,26)(H2,15,19,23,27)