(S)-2-Amino-N-(4-chloro-benzyl)-propionamide

(S)-2-Amino-N-(4-methoxy-benzyl)-N-methyl-propionamide

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

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

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

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

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

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

(4-Methyl-benzylamino)-acetic acid

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

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