4-((S)-5-Benzyloxymethyl-4,5-dihydro-3H-pyrrol-2-yl)-butan-1-ol

(2S,5S)-2-Allyl-5-benzyloxymethyl-2-(4-hydroxy-butyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

[(S)-1-Benzyloxymethyl-8-(4-methoxy-benzyloxy)-4-oxo-octyl]-carbamic acid tert-butyl ester

(2S,5S)-2-Allyl-5-benzyloxymethyl-2-[4-(tert-butyl-diphenyl-silanyloxy)-butyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

(2S,5S)-5-Benzyloxymethyl-2-(2-oxo-ethyl)-2-[4-(toluene-4-sulfonyloxy)-butyl]-pyrrolidine-1-carboxylic acid tert-butyl ester