(S)-2-((tert-butyldimethylsilyl)oxy)-1-((3aS,4S,6aS)-2,2-dimethyl-6-oxotetrahydrofuro[3,4-d][1,3]dioxol-4-yl)ethyl trifluoromethanesulfonate

6-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-D-mannono-δ-lactam

5-Deoxy-2,3:4,6-di-O-isopropylidene-5-oxamoylamino-D-mannose