3-{[(2-Amino-ethyl)-cyclopropyl-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester

4-Carboxymethylsulfanylmethyl-piperidine-1-carboxylic acid tert-butyl ester

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

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

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

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

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

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

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

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

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