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