(S)-2-Amino-N-cyclopropyl-N-(2,3-dichloro-benzyl)-propionamide

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

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

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

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

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

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

(3-Cyano-benzylamino)-acetic acid

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

[Methyl-(4-nitro-benzyl)-amino]-acetic acid

[Isopropyl-(3-trifluoromethyl-benzyl)-amino]-acetic acid

[Isopropyl-(3-methoxy-benzyl)-amino]-acetic acid

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

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

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