2-Chloro-1-(3-methoxymethyl-pyrrolidin-1-yl)-ethanone

(R)-3-Carboxymethylsulfanyl-piperidine-1-carboxylic acid benzyl ester

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

2-(2-Hydroxy-ethylsulfanylmethyl)-piperidine-1-carboxylic acid tert-butyl ester

4-(2-Hydroxy-ethylsulfanylmethyl)-piperidine-1-carboxylic acid tert-butyl ester

(S)-3-(2-Amino-ethylsulfanyl)-piperidine-1-carboxylic acid tert-butyl ester

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

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

[4-(2-Amino-ethylsulfanyl)-cyclohexyl]-carbamic acid benzyl ester

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

(1R,4R)-[(4-tert-Butoxycarbonylamino-cyclohexyl)-methyl-amino]-acetic acid