(2R,3R)-octadecane-1,2,3-triol

(2R,3R)-1,3-O-benzylideneoctadecane-1,2,3-triol

(2S,3R)-2-azido-1,3-O-benzylideneoctadecane-1,3-diol

3羰基茚酯酸甲酯