(S)-2-Amino-N-(4-cyano-benzyl)-N-isopropyl-propionamide

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

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

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

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

(2-Fluoro-benzylamino)-acetic acid

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

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

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

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

2-[(2-Bromo-benzyl)-methyl-amino]-ethanol