(S)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-1,2,5,6-tetrahydro-pyridine-3-carboxylic acid methyl ester

(S)-4-tert-butyldimethylsiloxy-3-[N-(tert-butyloxycarbonyl)-N-(2-carbomethoxyethyl)]aminobutyric acid methyl ester

(S)-4-tert-butyldimethylsiloxy-3-[N-(phenylmethoxycarbonyl)-N-(2-carbomethoxyethyl)]aminobutyric acid methyl ester

(S)-3-N,N-dibenzylamino-4-hydroxybutanoic acid methyl ester

benzyl (2S,9S,E)-1-(tert-butyldimethylsilyloxy)-9-hydroxy-6-oxotridec-4-en-2-ylcarbamate