InChI=1S/C10H15N2O7PS/c1-5-3-12(10(15)11-9(5)14)8-2-6(13)7(19-8)4-18-20(16,17)21/h3,6-8,13H,2,4H2,1H3,(H,11,14,15)(H2,16,17,21)/t6-,7+,8+/m0/s1