3-(2-Hydroxy-ethylsulfanylmethyl)-pyrrolidine-1-carboxylic acid benzyl ester

[(2-tert-Butoxycarbonylamino-cyclohexyl)-methyl-amino]-acetic acid

(S)-3-(Carboxymethyl-methyl-amino)-piperidine-1-carboxylic acid tert-butyl ester

4-(Carboxymethyl-ethyl-amino)-piperidine-1-carboxylic acid tert-butyl ester

4-[(Carboxymethyl-ethyl-amino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester

3-[(Carboxymethyl-isopropyl-amino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

2-[(Carboxymethyl-isopropyl-amino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester

2-[(Carboxymethyl-cyclopropyl-amino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

3-(2-Chloro-acetylamino)-pyrrolidine-1-carboxylic acid tert-butyl ester

2-[(2-Chloro-acetylamino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

4-[(2-Chloro-acetylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester