[(2S,3R)-2-((S)-1-Benzyloxy-ethyl)-5-hydroxy-tetrahydro-furan-3-yl]-acetic acid

(E,4'S,5'S)-ethyl 3-(2',2',5'-trimethyl-1',3'-dioxolan-4'-yl)acrylate

[(2S,3S)-2-((S)-1-Hydroxy-ethyl)-5-oxo-tetrahydro-furan-3-yl]-acetic acid ethyl ester

3-((4S,5S)-2,2,5-Trimethyl-[1,3]dioxolan-4-yl)-pentanedioic acid diethyl ester

[(2S,3S)-2-((S)-1-Benzyloxy-ethyl)-5-oxo-tetrahydro-furan-3-yl]-acetic acid