L-古洛糖酸-γ-内酯

(3aS,6R,7R,7aS)-6-(((tert-butyldiphenylsilyl)oxy)methyl)-7-hydroxy-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-c]pyridin-4(3aH)-one

5-azido-2,3-O-isopropylidene-6-O-triphenylmethyl-D-mannono-γ-lactone

2,3-O-isopropylidene-6-O-triphenylmethyl-L-glucono-γ-lactone

Trifluoro-methanesulfonic acid (S)-1-((3aS,4S,6aS)-2,2-dimethyl-6-oxo-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-2-trityloxy-ethyl ester