The molecule is an organophosphate oxoanion obtained by deprotonation of the phosphate OH groups of N-acetyl-D-galactosamine 6-phosphate. It is a conjugate base of a N-acetyl-D-galactosamine 6-phosphate.
[(2R,3R,4R,5R)-5-acetamido-3,4,6-trihydroxyoxan-2-yl]methyl phosphate