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

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

(1-Acetyl-piperidin-2-ylmethoxy)-acetic acid

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

(2-Chloromethyl-pyrrolidin-1-yl)-acetic acid

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

3-Bromo-pyrrolidin-1-yl)-acetic acid

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

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

[4-(Toluene-4-sulfonyloxy)-cyclohexylamino]-acetic acid

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