(S)-2-Amino-N-cyclopropyl-N-[2-oxo-2-(1H-pyrrol-2-yl)-ethyl]-propionamide

(S)-3-Chloro-piperidine-1-carboxylic acid benzyl ester

3-Bromo-piperidine-1-carboxylic acid benzyl ester

(S)-2-Iodomethyl-pyrrolidine-1-carboxylic acid benzyl ester

(S)-2-(Toluene-4-sulfonyloxymethyl)-pyrrolidine-1-carboxylic acid benzyl ester

(S)-1-Benzyl-pyrrolidine-2-carbaldehyde

1-benzyl-3-(chloromethyl)pyrrolidine

1-Benzyl-2-bromomethyl-pyrrolidine

(S)-1-Benzyl-3-iodo-piperidine

Toluene-4-sulfonic acid 1-benzyl-pyrrolidin-3-ylmethyl ester

1-(2-Hydroxymethyl-pyrrolidin-1-yl)-ethanone