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. Author manuscript; available in PMC: 2016 Jan 15.
Published in final edited form as: Bioorg Med Chem Lett. 2014 Nov 22;25(2):302–306. doi: 10.1016/j.bmcl.2014.11.044

Figure 4.

Figure 4

Comparison of A) the alkyl- and upper N-methyl and B) the α-proton and aromatic regions of the 1H NMR spectra for synthetic [d-MeAla11]-coibamide A (upper) and natural coibamide A (lower).