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

3-Carboxymethylsulfanyl-piperidine-1-carboxylic acid tert-butyl ester

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

[4-(2-Hydroxy-ethylsulfanyl)-cyclohexyl]-carbamic acid tert-butyl ester

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

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

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

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

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

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

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