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

(S)-2-Amino-N-(4-bromo-benzyl)-N-ethyl-propionamide

(S)-2-Amino-N-cyclopropyl-N-(2-fluoro-benzyl)-propionamide

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

(S)-2-Amino-N-(4-cyano-benzyl)-3,N-dimethyl-butyramide

(S)-2-Amino-N-(4-bromo-benzyl)-N-ethyl-3-methyl-butyramide

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

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

(3-Fluoro-benzylamino)-acetic acid

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

[Ethyl-(4-methylsulfanyl-benzyl)-amino]-acetic acid