The molecule is the monosaccharide sulfate formed by sulfating D-glucosamine at O(6). It is a glucosamine sulfate and an amino monosaccharide. It is a conjugate acid of a 6-O-sulfonato-D-glucosamine.
[(2R,3S,4R,5R)-5-amino-3,4,6-trihydroxyoxan-2-yl]methyl hydrogen sulfate