(S)-2-Amino-N-(2-chloro-benzyl)-propionamide

(S)-2-Amino-N-(3-fluoro-benzyl)-N-isopropyl-propionamide

(S)-2-Amino-N-cyclopropyl-N-(4-methylsulfanyl-benzyl)-propionamide

(S)-2-Amino-N-(2-chloro-benzyl)-3-methyl-butyramide

(S)-2-Amino-N-(3-bromo-benzyl)-3,N-dimethyl-butyramide

(S)-2-Amino-N-(3-chloro-benzyl)-N-ethyl-3-methyl-butyramide

(S)-2-Amino-N-(3-bromo-benzyl)-N-isopropyl-3-methyl-butyramide

(S)-2-Amino-N-cyclopropyl-3-methyl-N-(4-methylsulfanyl-benzyl)-butyramide

[(3-Chloro-benzyl)-methyl-amino]-acetic acid

[(4-Bromo-benzyl)-ethyl-amino]-acetic acid

[(2-Chloro-benzyl)-isopropyl-amino]-acetic acid