InChI=1S/C10H13N2O7P/c1-5-3-12(10(14)11-9(5)13)8-2-6-7(18-8)4-17-20(15,16)19-6/h3,6-8H,2,4H2,1H3,(H,15,16)(H,11,13,14)/t6?,7?,8-/m1/s1