(S)-2-Amino-N-(2-cyano-benzyl)-N-ethyl-propionamide

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

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

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

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

(S)-2-Amino-N-cyclopropyl-N-(2,6-dichloro-benzyl)-3-methyl-butyramide

(S)-2-Amino-N-cyclopropyl-N-(2,5-dichloro-benzyl)-3-methyl-butyramide

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

[(3,4-Dichloro-benzyl)-methyl-amino]-acetic acid

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

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