InChI=1S/C6H12N4.C6H8O7/c1-7-2-9-4-8(1)5-10(3-7)6-9;7-3(8)1-6(13,5(11)12)2-4(9)10/h1-6H2;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)