benzyl chloroformate
((4R,5S)-5-Hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-carbamic acid benzyl ester
(3-ethoxycarbonylpropyl)triphenylphosphonium bromide
2,3-O-isopropylidene-L-erythrofuranose
(Z)-5-[(4S,5R)-5-(Benzyloxycarbonylamino-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-pent-4-enoic acid ethyl ester