InChI=1S/C13H17N2O8P/c1-9(13(17)18)14-12(16)3-2-8-24(21,22)23-11-6-4-10(5-7-11)15(19)20/h4-7,9H,2-3,8H2,1H3,(H,14,16)(H,17,18)(H,21,22)/t9-/m1/s1