N-[N-(γ-phenyl)butyryl-L-valyl]pyrrolidine

N-(N-(phenyl)butyryl-L-prolyl)pyrrolidine

(2S)-1-[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carboxylic acid

L-Proline, 1-(1-(1-(N-(N-L-valyl-L-histidyl)-L-leucyl)-L-prolyl)-L-pro lyl)-

N-[N-(4-Nitro-benzyloxycarbonyl)-L-valyl]-L-glutaminsaeure-diethylester

N-[N-(4-Nitro-benzyloxycarbonyl)-L-valyl]-L-glutaminsaeure

N-[N-[N-[3-[4-(Diethylamino)phenyl]-2-propenylidene]-L-valyl]-L-isoleucyl]-L-alanine ethyl ester