methyl 2,3,6-trideoxy-4-O-methylsulphonyl-α-DL-erythro-hex-2-enopyranoside

(3S,4S,5R)-3-(N-tert-butoxycarbonylamino)-5-dihydroxy-4-hexanolactone

(2S,3S)-2-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-5-oxotetrahydrofuran-3-carboxylic acid

tert-butyl ((2S,3S)-2-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-5-oxotetrahydrofuran-3-yl)carbamate

(R)-4-benzhydryl-3-((2S,3S)-2-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-5-oxotetrahydrofuran-3-carbonyl)oxazolidin-2-one