(3R)-1-(tert-butoxycarbonyl)-3-[(methane-sulfonyloxy)methyl]pyrrolidine
tert-butyl (R)-3-hydroxymethylpyrrolidine-1-carboxylate
(3R)-1-[(R)-1-phenylethyl]-3-(hydroxymethyl)pyrrolidine
(S)-3-[(Benzyl-methyl-amino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester