(S)-2-Amino-N-(2,4-dichloro-benzyl)-N-ethyl-propionamide

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

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

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

(S)-2-Amino-N-(2-chloro-6-fluoro-benzyl)-N-ethyl-3-methyl-butyramide

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

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

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

(3,4-Dichloro-benzylamino)-acetic acid

[(2-Chloro-6-fluoro-benzyl)-methyl-amino]-acetic acid

[Ethyl-(4-fluoro-benzyl)-amino]-acetic acid