tert-butyl (S)-2-(((tert-butyldimethylsilyl)oxy)methyl)-4-((phenylthio)methylene)pyrrolidine-1-carboxylate

((R)-2-Benzenesulfonyl-1-benzyloxymethyl-ethyl)-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-amine

(2S,4R)-1-tert-butoxycarbonyl-2-benzyloxymethyl-4-methylpyrrolidine

(2S,4R)-2-Benzyloxymethyl-4-(toluene-4-sulfonyloxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

(2S,4R)-1-tert-butoxycarbonyl-2-benzyloxymethyl-4-hydroxymethylpyrrolidine