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

(S)-2-Amino-3-methyl-N-(2-oxo-2-thiazol-2-yl-ethyl)-butyramide

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

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

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

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

(S)-2-Amino-N-[2-oxo-2-(1H-pyrrol-2-yl)-ethyl]-propionamide

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

(S)-3-(甲苯磺酰氧基)哌啶-1-羧酸叔丁酯, (S)-3-(Toluene-4-sulfonyloxy)-piperidine-1-carboxylic acid tert-butyl ester

2-Hydroxymethyl-pyrrolidine-1-carboxylic acid benzyl ester

3-Chloromethyl-piperidine-1-carboxylic acid benzyl ester