InChI=1S/C10H15N2O7PS/c1-5-3-12(10(14)11-9(5)13)8-2-7(21)6(19-8)4-18-20(15,16)17/h3,6-8,21H,2,4H2,1H3,(H,11,13,14)(H2,15,16,17)/t6-,7+,8-/m1/s1