138749-62-9 24-Ala-grp(20-26) Gastrin releasing peptide (20-26), ala(24)- Gastrin-releasing peptide (20-26), alanyl(24)- His-trp-ala-val-ala-his-leu L-Leucine, N-(N-(N-(N-(N-(N-L-histidyl-L-tryptophyl)-L-alanyl)-L-valyl)-D-alanyl)-L-histydyl)-