123496-28-6 9-De-L-leucinekinetensin (human) Histamine-releasing peptide Ile-ala-arg-arg-his-pro-tyr-pro-tyr-phe Isoleucyl-alanyl-arginyl-arginyl-histidyl-prolyl-tyrosyl-prolyl-tyrosyl-phenylalanine Kinetensin (human), 9-de-L-leucine-