InChI=1S/C7H15O9P/c1-7(16-17(12,13)14)6(11)5(10)4(9)3(2-8)15-7/h3-6,8-11H,2H2,1H3,(H2,12,13,14)/t3-,4-,5+,6-,7-/m1/s1