Nω-Nitro-L-arginin Levoglutamid DL-2-Amino-5-ureidovaleriansure N2-[(Phenylmethoxy)carbonyl]-L-arginin Ethyl-N2-benzoyl-L-argininatmonohydrochlorid N2-[(Phenylmethoxy)carbonyl]-L-glutamin N-γ-L-Glutamyl-L-glutaminsure N-α-Benzoyl-L-arginin Arginin D-Argininhydrochlorid Methyl-N2-[(p-tolyl)sulfonyl]-L-argininatmonohydrochlorid N2-Acetyl-L-arginin L-Ornithin N-1-Naphthyl-l-glutamin N-L-γ-Glutamyl-3-phenyl-L-alanin