[(2R,3R,4S)-2,3,4,6-tetrahydroxy-5-oxohexyl] phosphate
[(2R,3R,4S)-2,3,4,6-tetrahydroxy-5-oxo-hexyl] phosphate
[(2R,3R,4S)-2,3,4,6-tetrahydroxy-5-keto-hexyl] phosphate