((1R,2S,3S)-4-Benzyloxy-1-ethyl-2,3-dihydroxy-butyl)-carbamic acid benzyl ester

[(R)-1-((4S,5S)-5-Benzyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid benzyl ester

2,2,2-Trichloro-acetimidic acid (E)-3-((4S,5S)-5-benzyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-allyl ester