(S)-2-Amino-N-(2-bromo-benzyl)-N-methyl-propionamide

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

(S)-2-Amino-N-isopropyl-N-(3-methoxy-benzyl)-propionamide

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

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

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

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

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

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

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

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