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. Author manuscript; available in PMC: 2015 Oct 7.
Published in final edited form as: J Med Chem. 2015 Aug 11;58(16):6359–6367. doi: 10.1021/acs.jmedchem.5b00102

Figure 1.

Figure 1

Structure of Ac-Nle4-c[Asp5,d-Nal(2′)7,Lys10]-NH2 peptide. The arrows indicate the sites of N-methylation in analogues synthesized, with all combinations examined systematically (see text).