(1S,6R,8R,9R)-8,9-dihydroxy-8,9-O-isopropylidene-2,7-dioxabicyclo[3.4.0]non-4-ene

(S)-4-Benzyl-3-((2S,3R)-3-hydroxy-3,6-dihydro-2H-pyran-2-carbonyl)-oxazolidin-2-one

(2S,3R)-3-Acetoxy-3,6-dihydro-2H-pyran-2-carboxylic acid ethyl ester

2-Allyloxy-3-hydroxy-pent-4-enoic acid ethyl ester

[3(2S,4R),4S]-3-(2-allyloxy-3-hydroxyhex-4-enoyl)-4-benzyloxazolidin-2-one