Nps-Ala-Ala-Arg(NO2)-Val-Ala-OCH3

H-L-Val-L-Ala-OMe

(S)-1-[(S)-2-((S)-2-tert-Butoxycarbonylamino-3-methyl-butyrylamino)-propionyl]-pyrrolidine-2-carboxylic acid

(-)-(S)-valyl-(S)-alanine methyl ester hydrochloride