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

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

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

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

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

(3-Trifluoromethyl-benzylamino)-acetic acid

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

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

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

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

[Cyclopropyl-(3-nitro-benzyl)-amino]-acetic acid

2-[Cyclopropyl-(1-phenyl-propyl)-amino]-ethanol

2-{Cyclopropyl-[1-(4-fluoro-phenyl)-ethyl]-amino}-ethanol

2-Amino-N-[1-(4-fluoro-phenyl)-ethyl]-N-isopropyl-acetamide

(S)-2-Amino-N-[1-(3-chloro-phenyl)-ethyl]-propionamide