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

(S)-2-Amino-N-(3-chloro-benzyl)-N-ethyl-propionamide

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

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

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

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

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

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

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

(2-Chloro-benzylamino)-acetic acid

(3-Methyl-benzylamino)-acetic acid

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

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

[(3-Fluoro-benzyl)-isopropyl-amino]-acetic acid

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