InChI=1S/C12H16N4O8/c1-16-3-15-9(14-2-13)4(16)11(22)24-12-7(19)5(17)6(18)8(23-12)10(20)21/h2-3,5-8,12,17-19H,1H3,(H2,13,14)(H,20,21)