[D-Trp8] Somatostatin-14, a tetradecapeptide, is an analog of Somatostatin more potent than the native Somatostatin[1].
References
[1] J Rivier, et al. D-Trp8-somatostatin: an analog of somatostatin more potent than the native molecule. Biochem Biophys Res Commun. 1975 Jul 22;65(2):746-51. DOI:10.1016/s0006-291x(75)80208-7