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

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

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

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

4-[(Carboxymethyl-isopropyl-amino)-methyl]-piperidine-1-carboxylic acid tert-butyl este

(R)-3-(Carboxymethyl-cyclopropyl-amino)-piperidine-1-carboxylic acid tert-butyl ester

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

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

{4-[(2-Chloro-acetyl)-methyl-amino]-cyclohexyl}-carbamic acid tert-butyl ester

2-{[(2-Chloro-acetyl)-ethyl-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl ester

{2-[(2-Chloro-acetyl)-ethyl-amino]-cyclohexyl}-carbamic acid tert-butyl ester