4-[(tert-Butoxycarbonyl-cyclopentylamino)-methyl]-benzoic acid

4-n-Propoxybromobenzene

1-溴-4-丙氧基苯

N-(4-Bromophenyl)butanamide

2-(Phenylthio)ethylamine

4-Bromo-2-fluorobenzamide

4-溴-2-氟苯甲酰胺

3-[(2-Amino-acetylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester

2-Carboxymethoxymethyl-pyrrolidine-1-carboxylic acid benzyl ester

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

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

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

(4-Oxo-cyclohexylamino)-acetic acid