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

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

(2-Iodo-benzylamino)-acetic acid

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

[(2,3-Dichloro-benzyl)-ethyl-amino]-acetic acid

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

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

2-{[1-(3-Chloro-phenyl)-ethyl]-methyl-amino}-ethanol

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

2-Amino-N-[1-(3-chloro-phenyl)-ethyl]-N-cyclopropyl-acetamide

2-Amino-N-isopropyl-N-(1-phenyl-propyl)-acetamide