The molecule is the open chain form of L-tagatose 6-phosphate It is a conjugate acid of a keto-L-tagatose 6-phosphate(2-). It is an enantiomer of a keto-D-tagatose 6-phosphate.
[(2S,3R,4R)-2,3,4,6-tetrahydroxy-5-oxohexyl] dihydrogen phosphate