(S)-3-Carboxymethoxy-pyrrolidine-1-carboxylic acid benzyl ester

(4-Chloromethyl-piperidin-1-yl)-acetic acid

(3-Bromomethyl-piperidin-1-yl)-acetic acid

(3-Iodo-pyrrolidin-1-yl)-acetic acid

[2-(Toluene-4-sulfonyloxymethyl)-pyrrolidin-1-yl]-acetic acid

[3-(Toluene-4-sulfonyloxymethyl)-piperidin-1-yl]-acetic acid

(2-Methoxymethyl-piperidin-1-yl)-acetic acid

(3-Methoxymethyl-piperidin-1-yl)-acetic acid

3-(2-Hydroxy-ethoxy)-piperidine-1-carboxylic acid benzyl ester

4-(2-Hydroxy-ethoxy)-piperidine-1-carboxylic acid benzyl ester

1-[2-(2-Hydroxy-ethoxymethyl)-piperidin-1-yl]-ethanone