InChI=1S/C9H12N5O6P/c10-9-13-7-5(8(16)14-9)12-3(1-11-7)6(15)4-2-19-21(17,18)20-4/h4,6,15H,1-2H2,(H,17,18)(H4,10,11,13,14,16)/p-1/t4-,6+/m1/s1