((2R,4R,5R)-4-Hydroxy-5-trityloxymethyl-tetrahydro-furan-2-yl)-acetic acid ethyl ester

(R)-5-Hydroxy-5-(R)-oxiranyl-pentanoic acid ethyl ester

{(2S,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-thioacetic acid S-benzyl ester

methyl (3R,5R)-3,5-dihydroxy-6-heptenoate

ethyl (3R,5S)-5-{[1-(tert-butyl)-1,1-dimethylsilyl]oxy}-3-hydroxy-6-heptenoate