InChI=1S/C8H18NO8P/c1-15-18(14,16-2)9-8-7(13)6(12)5(11)4(3-10)17-8/h4-8,10-13H,3H2,1-2H3,(H,9,14)/t4-,5-,6+,7-,8-/m1/s1