(S)-2-Amino-N-cyclopropyl-N-(2-oxo-2-thiophen-2-yl-ethyl)-propionamide

(S)-2-Amino-N-methyl-N-(1-thiazol-2-yl-ethyl)-propionamide

(S)-2-Amino-N-cyclopropyl-N-thiophen-3-ylmethyl-propionamide

(S)-2-Amino-3,N-dimethyl-N-thiophen-3-ylmethyl-butyramide

(S)-2-Amino-N-cyclopropyl-3-methyl-N-(3-methyl-thiophen-2-ylmethyl)-butyramide

2-(2-Hydroxy-ethylamino)-1-(1H-pyrrol-2-yl)-ethanone

2-Chloro-N-methyl-N-[2-oxo-2-(1H-pyrrol-2-yl)-ethyl]-acetamide

2-Amino-N-methyl-N-[2-oxo-2-(1H-pyrrol-2-yl)-ethyl]-acetamide

(4-Bromo-cyclohexyl)-carbamic acid tert-butyl ester

(4-Chloro-cyclohexyl)-carbamic acidtert-butyl ester

3-(Toluene-4-sulfonyloxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester