2-Carboxymethoxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester

(1-Benzyl-piperidin-3-yloxy)-acetic acid

(4-Benzylamino-cyclohexyloxy)-acetic acid

(1-Acetyl-piperidin-3-ylmethoxy)-acetic acid

((S)-1-Methyl-pyrrolidin-3-yloxy)-acetic acid

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

(4-Dimethylamino-cyclohexyloxy)-acetic acid

(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