2-Amino-N-(4-bromo-benzyl)-N-cyclopropyl-acetamide

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

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

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

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

(S)-2-Amino-N-(4-cyano-benzyl)-N-isopropyl-3-methyl-butyramide

(2-Chloro-benzylamino)-acetic acid

(4-Methylsulfanyl-benzylamino)-acetic acid

[Ethyl-(2-fluoro-benzyl)-amino]-acetic acid

[Isopropyl-(2-methyl-benzyl)-amino]-acetic acid

[Cyclopropyl-(2-methyl-benzyl)-amino]-acetic acid