{2-[(2-Amino-ethyl)-cyclopropyl-amino]-cyclohexyl}-carbamic acid benzyl ester

(S)-2-Amino-1-(3-methoxymethyl-pyrrolidin-1-yl)-propan-1-one

(S)-2-Amino-1-(2-methoxymethyl-pyrrolidin-1-yl)-3-methyl-butan-1-one

(S)-2-Amino-1-(4-methoxymethyl-piperidin-1-yl)-3-methyl-butan-1-one

(R)-3-Carboxymethylsulfanyl-piperidine-1-carboxylic acid tert-butyl ester

3-Carboxymethylsulfanyl-pyrrolidine-1-carboxylic acid benzyl ester

2-Carboxymethylsulfanylmethyl-piperidine-1-carboxylic acid benzyl ester

(4-Benzyloxycarbonylamino-cyclohexylsulfanyl)-acetic acid

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

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

3-(2-Hydroxy-ethylsulfanyl)-piperidine-1-carboxylic acid benzyl ester