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(1994)[(3S,4R)-4-(tert-Butyl-dimethyl-silanyloxymethyl)-5-oxo-tetrahydro-furan-3-yl]-carbamic acid tert-butyl ester
(3S)-3-[(tert-butoxycarbonyl)amino]-4-hydroxybutanoic acid methyl ester
N-[(3S)-tetrahydro-5-oxo-3-furanyl]carbamic acid-1,1-dimethylethyl ester
dimethyl N-tert-butoxycarbonyl-L-aspartate
tert-butylchlorodiphenylsilane